Home / 746,177.18-1,029,714.65-415,030.88

Finding the Fourth Proportional to 746,177.18, 1,029,714.65 and 415,030.88

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Solution

The fourth proportional to 746,177.18, 1,029,714.65 and 415,030.88 is: 572,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,177.18 : 1,029,714.65 = 415,030.88 : x
  2. Step 2: Convert to fraction form
    746,177.18/1,029,714.65 = 415,030.88/x
  3. Step 3: Cross multiply
    746,177.18x = 1,029,714.65 × 415,030.88
  4. Step 4: Simplify right side
    746,177.18x = 427,363,372,189.82
  5. Step 5: Solve for x
    x = 427,363,372,189.82/746,177.18
  6. Step 6: Final answer
    x = 572,737.13

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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.