Home / 657,549.41-907,624.94-385,727.18

Finding the Fourth Proportional to 657,549.41, 907,624.94 and 385,727.18

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Solution

The fourth proportional to 657,549.41, 907,624.94 and 385,727.18 is: 532,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,549.41 : 907,624.94 = 385,727.18 : x
  2. Step 2: Convert to fraction form
    657,549.41/907,624.94 = 385,727.18/x
  3. Step 3: Cross multiply
    657,549.41x = 907,624.94 × 385,727.18
  4. Step 4: Simplify right side
    657,549.41x = 350,095,602,137.11
  5. Step 5: Solve for x
    x = 350,095,602,137.11/657,549.41
  6. Step 6: Final answer
    x = 532,424.79

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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.