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Finding the Fourth Proportional to 656,751.32, 906,281.63 and 370,252.95

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Solution

The fourth proportional to 656,751.32, 906,281.63 and 370,252.95 is: 510,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,751.32 : 906,281.63 = 370,252.95 : x
  2. Step 2: Convert to fraction form
    656,751.32/906,281.63 = 370,252.95/x
  3. Step 3: Cross multiply
    656,751.32x = 906,281.63 × 370,252.95
  4. Step 4: Simplify right side
    656,751.32x = 335,553,443,176.94
  5. Step 5: Solve for x
    x = 335,553,443,176.94/656,751.32
  6. Step 6: Final answer
    x = 510,929.23

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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.