Home / 658,897.12-909,272.10-368,508.16

Finding the Fourth Proportional to 658,897.12, 909,272.10 and 368,508.16

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Solution

The fourth proportional to 658,897.12, 909,272.10 and 368,508.16 is: 508,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,897.12 : 909,272.10 = 368,508.16 : x
  2. Step 2: Convert to fraction form
    658,897.12/909,272.10 = 368,508.16/x
  3. Step 3: Cross multiply
    658,897.12x = 909,272.10 × 368,508.16
  4. Step 4: Simplify right side
    658,897.12x = 335,074,188,510.34
  5. Step 5: Solve for x
    x = 335,074,188,510.34/658,897.12
  6. Step 6: Final answer
    x = 508,537.95

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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.