Home / 538,386-742,988.04-299,937.36

Finding the Fourth Proportional to 538,386, 742,988.04 and 299,937.36

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Solution

The fourth proportional to 538,386, 742,988.04 and 299,937.36 is: 413,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,386 : 742,988.04 = 299,937.36 : x
  2. Step 2: Convert to fraction form
    538,386/742,988.04 = 299,937.36/x
  3. Step 3: Cross multiply
    538,386x = 742,988.04 × 299,937.36
  4. Step 4: Simplify right side
    538,386x = 222,849,871,229.17
  5. Step 5: Solve for x
    x = 222,849,871,229.17/538,386
  6. Step 6: Final answer
    x = 413,922.11

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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.