Home / 804,042.98-1,109,580.15-477,421.18

Finding the Fourth Proportional to 804,042.98, 1,109,580.15 and 477,421.18

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Solution

The fourth proportional to 804,042.98, 1,109,580.15 and 477,421.18 is: 658,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,042.98 : 1,109,580.15 = 477,421.18 : x
  2. Step 2: Convert to fraction form
    804,042.98/1,109,580.15 = 477,421.18/x
  3. Step 3: Cross multiply
    804,042.98x = 1,109,580.15 × 477,421.18
  4. Step 4: Simplify right side
    804,042.98x = 529,737,064,517.58
  5. Step 5: Solve for x
    x = 529,737,064,517.58/804,042.98
  6. Step 6: Final answer
    x = 658,841.73

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Double scale
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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.