Home / 747,557.40-1,121,336.10-523,608.60

Finding the Fourth Proportional to 747,557.40, 1,121,336.10 and 523,608.60

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Solution

The fourth proportional to 747,557.40, 1,121,336.10 and 523,608.60 is: 785,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,557.40 : 1,121,336.10 = 523,608.60 : x
  2. Step 2: Convert to fraction form
    747,557.40/1,121,336.10 = 523,608.60/x
  3. Step 3: Cross multiply
    747,557.40x = 1,121,336.10 × 523,608.60
  4. Step 4: Simplify right side
    747,557.40x = 587,141,225,450.46
  5. Step 5: Solve for x
    x = 587,141,225,450.46/747,557.40
  6. Step 6: Final answer
    x = 785,412.90

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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.