Home / 739,465.92-1,020,463.65-399,934.17

Finding the Fourth Proportional to 739,465.92, 1,020,463.65 and 399,934.17

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Solution

The fourth proportional to 739,465.92, 1,020,463.65 and 399,934.17 is: 551,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,465.92 : 1,020,463.65 = 399,934.17 : x
  2. Step 2: Convert to fraction form
    739,465.92/1,020,463.65 = 399,934.17/x
  3. Step 3: Cross multiply
    739,465.92x = 1,020,463.65 × 399,934.17
  4. Step 4: Simplify right side
    739,465.92x = 408,118,282,877.92
  5. Step 5: Solve for x
    x = 408,118,282,877.92/739,465.92
  6. Step 6: Final answer
    x = 551,909.52

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1.5x scale

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.