Home / 747,596.64-1,031,694.12-408,057.60

Finding the Fourth Proportional to 747,596.64, 1,031,694.12 and 408,057.60

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Solution

The fourth proportional to 747,596.64, 1,031,694.12 and 408,057.60 is: 563,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,596.64 : 1,031,694.12 = 408,057.60 : x
  2. Step 2: Convert to fraction form
    747,596.64/1,031,694.12 = 408,057.60/x
  3. Step 3: Cross multiply
    747,596.64x = 1,031,694.12 × 408,057.60
  4. Step 4: Simplify right side
    747,596.64x = 420,990,626,541.31
  5. Step 5: Solve for x
    x = 420,990,626,541.31/747,596.64
  6. Step 6: Final answer
    x = 563,125.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.