Home / 750,640.86-1,035,909.27-411,127.74

Finding the Fourth Proportional to 750,640.86, 1,035,909.27 and 411,127.74

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Solution

The fourth proportional to 750,640.86, 1,035,909.27 and 411,127.74 is: 567,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,640.86 : 1,035,909.27 = 411,127.74 : x
  2. Step 2: Convert to fraction form
    750,640.86/1,035,909.27 = 411,127.74/x
  3. Step 3: Cross multiply
    750,640.86x = 1,035,909.27 × 411,127.74
  4. Step 4: Simplify right side
    750,640.86x = 425,891,037,020.15
  5. Step 5: Solve for x
    x = 425,891,037,020.15/750,640.86
  6. Step 6: Final answer
    x = 567,369.91

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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.