Home / 747,559.40-1,121,339.10-523,610.60

Finding the Fourth Proportional to 747,559.40, 1,121,339.10 and 523,610.60

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Solution

The fourth proportional to 747,559.40, 1,121,339.10 and 523,610.60 is: 785,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,559.40 : 1,121,339.10 = 523,610.60 : x
  2. Step 2: Convert to fraction form
    747,559.40/1,121,339.10 = 523,610.60/x
  3. Step 3: Cross multiply
    747,559.40x = 1,121,339.10 × 523,610.60
  4. Step 4: Simplify right side
    747,559.40x = 587,145,038,954.46
  5. Step 5: Solve for x
    x = 587,145,038,954.46/747,559.40
  6. Step 6: Final answer
    x = 785,415.90

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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.