Home / 725,332.65-1,000,914.98-403,031.73

Finding the Fourth Proportional to 725,332.65, 1,000,914.98 and 403,031.73

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Solution

The fourth proportional to 725,332.65, 1,000,914.98 and 403,031.73 is: 556,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,332.65 : 1,000,914.98 = 403,031.73 : x
  2. Step 2: Convert to fraction form
    725,332.65/1,000,914.98 = 403,031.73/x
  3. Step 3: Cross multiply
    725,332.65x = 1,000,914.98 × 403,031.73
  4. Step 4: Simplify right side
    725,332.65x = 403,400,493,957.16
  5. Step 5: Solve for x
    x = 403,400,493,957.16/725,332.65
  6. Step 6: Final answer
    x = 556,159.29

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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.