Home / 743,655.66-1,026,244.79-404,123.91

Finding the Fourth Proportional to 743,655.66, 1,026,244.79 and 404,123.91

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Solution

The fourth proportional to 743,655.66, 1,026,244.79 and 404,123.91 is: 557,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,655.66 : 1,026,244.79 = 404,123.91 : x
  2. Step 2: Convert to fraction form
    743,655.66/1,026,244.79 = 404,123.91/x
  3. Step 3: Cross multiply
    743,655.66x = 1,026,244.79 × 404,123.91
  4. Step 4: Simplify right side
    743,655.66x = 414,730,050,000.09
  5. Step 5: Solve for x
    x = 414,730,050,000.09/743,655.66
  6. Step 6: Final answer
    x = 557,690.98

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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.