Home / 851,307.86-1,174,790.85-469,370.18

Finding the Fourth Proportional to 851,307.86, 1,174,790.85 and 469,370.18

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Solution

The fourth proportional to 851,307.86, 1,174,790.85 and 469,370.18 is: 647,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,307.86 : 1,174,790.85 = 469,370.18 : x
  2. Step 2: Convert to fraction form
    851,307.86/1,174,790.85 = 469,370.18/x
  3. Step 3: Cross multiply
    851,307.86x = 1,174,790.85 × 469,370.18
  4. Step 4: Simplify right side
    851,307.86x = 551,411,792,726.85
  5. Step 5: Solve for x
    x = 551,411,792,726.85/851,307.86
  6. Step 6: Final answer
    x = 647,723.13

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Double scale
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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.