Home / 719,246.40-1,078,869.60-482,702.40

Finding the Fourth Proportional to 719,246.40, 1,078,869.60 and 482,702.40

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Solution

The fourth proportional to 719,246.40, 1,078,869.60 and 482,702.40 is: 724,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,246.40 : 1,078,869.60 = 482,702.40 : x
  2. Step 2: Convert to fraction form
    719,246.40/1,078,869.60 = 482,702.40/x
  3. Step 3: Cross multiply
    719,246.40x = 1,078,869.60 × 482,702.40
  4. Step 4: Simplify right side
    719,246.40x = 520,772,945,207.04
  5. Step 5: Solve for x
    x = 520,772,945,207.04/719,246.40
  6. Step 6: Final answer
    x = 724,053.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.