Home / 748,043.60-1,122,065.40-242,603.60

Finding the Fourth Proportional to 748,043.60, 1,122,065.40 and 242,603.60

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Solution

The fourth proportional to 748,043.60, 1,122,065.40 and 242,603.60 is: 363,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,043.60 : 1,122,065.40 = 242,603.60 : x
  2. Step 2: Convert to fraction form
    748,043.60/1,122,065.40 = 242,603.60/x
  3. Step 3: Cross multiply
    748,043.60x = 1,122,065.40 × 242,603.60
  4. Step 4: Simplify right side
    748,043.60x = 272,217,105,475.44
  5. Step 5: Solve for x
    x = 272,217,105,475.44/748,043.60
  6. Step 6: Final answer
    x = 363,905.40

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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.