Home / 671,138.04-926,169.96-369,332.04

Finding the Fourth Proportional to 671,138.04, 926,169.96 and 369,332.04

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Solution

The fourth proportional to 671,138.04, 926,169.96 and 369,332.04 is: 509,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,138.04 : 926,169.96 = 369,332.04 : x
  2. Step 2: Convert to fraction form
    671,138.04/926,169.96 = 369,332.04/x
  3. Step 3: Cross multiply
    671,138.04x = 926,169.96 × 369,332.04
  4. Step 4: Simplify right side
    671,138.04x = 342,064,240,713.52
  5. Step 5: Solve for x
    x = 342,064,240,713.52/671,138.04
  6. Step 6: Final answer
    x = 509,677.92

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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.