Home / 526,557.46-790,279.28-493,342.40

Finding the Fourth Proportional to 526,557.46, 790,279.28 and 493,342.40

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Solution

The fourth proportional to 526,557.46, 790,279.28 and 493,342.40 is: 740,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,557.46 : 790,279.28 = 493,342.40 : x
  2. Step 2: Convert to fraction form
    526,557.46/790,279.28 = 493,342.40/x
  3. Step 3: Cross multiply
    526,557.46x = 790,279.28 × 493,342.40
  4. Step 4: Simplify right side
    526,557.46x = 389,878,276,354.22
  5. Step 5: Solve for x
    x = 389,878,276,354.22/526,557.46
  6. Step 6: Final answer
    x = 740,428.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.