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Finding the Fourth Proportional to 586,246.60, 879,369.90 and 453,386.35

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Solution

The fourth proportional to 586,246.60, 879,369.90 and 453,386.35 is: 680,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,246.60 : 879,369.90 = 453,386.35 : x
  2. Step 2: Convert to fraction form
    586,246.60/879,369.90 = 453,386.35/x
  3. Step 3: Cross multiply
    586,246.60x = 879,369.90 × 453,386.35
  4. Step 4: Simplify right side
    586,246.60x = 398,694,309,260.87
  5. Step 5: Solve for x
    x = 398,694,309,260.87/586,246.60
  6. Step 6: Final answer
    x = 680,079.53

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Similar ratio
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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.