Home / 749,639.20-1,034,511.60-410,113.12

Finding the Fourth Proportional to 749,639.20, 1,034,511.60 and 410,113.12

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Solution

The fourth proportional to 749,639.20, 1,034,511.60 and 410,113.12 is: 565,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,639.20 : 1,034,511.60 = 410,113.12 : x
  2. Step 2: Convert to fraction form
    749,639.20/1,034,511.60 = 410,113.12/x
  3. Step 3: Cross multiply
    749,639.20x = 1,034,511.60 × 410,113.12
  4. Step 4: Simplify right side
    749,639.20x = 424,266,779,952.19
  5. Step 5: Solve for x
    x = 424,266,779,952.19/749,639.20
  6. Step 6: Final answer
    x = 565,961.31

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Half scale
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Double scale
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Similar ratio
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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.