Home / 534,871.28-738,088.86-293,136.70

Finding the Fourth Proportional to 534,871.28, 738,088.86 and 293,136.70

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Solution

The fourth proportional to 534,871.28, 738,088.86 and 293,136.70 is: 404,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,871.28 : 738,088.86 = 293,136.70 : x
  2. Step 2: Convert to fraction form
    534,871.28/738,088.86 = 293,136.70/x
  3. Step 3: Cross multiply
    534,871.28x = 738,088.86 × 293,136.70
  4. Step 4: Simplify right side
    534,871.28x = 216,360,932,727.16
  5. Step 5: Solve for x
    x = 216,360,932,727.16/534,871.28
  6. Step 6: Final answer
    x = 404,510.28

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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.