Home / 749,360.40-1,124,040.60-433,654.80

Finding the Fourth Proportional to 749,360.40, 1,124,040.60 and 433,654.80

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Solution

The fourth proportional to 749,360.40, 1,124,040.60 and 433,654.80 is: 650,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,360.40 : 1,124,040.60 = 433,654.80 : x
  2. Step 2: Convert to fraction form
    749,360.40/1,124,040.60 = 433,654.80/x
  3. Step 3: Cross multiply
    749,360.40x = 1,124,040.60 × 433,654.80
  4. Step 4: Simplify right side
    749,360.40x = 487,445,601,584.88
  5. Step 5: Solve for x
    x = 487,445,601,584.88/749,360.40
  6. Step 6: Final answer
    x = 650,482.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.