Home / 868,180.60-1,300,521.30-493,766.20

Finding the Fourth Proportional to 868,180.60, 1,300,521.30 and 493,766.20

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Solution

The fourth proportional to 868,180.60, 1,300,521.30 and 493,766.20 is: 739,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,180.60 : 1,300,521.30 = 493,766.20 : x
  2. Step 2: Convert to fraction form
    868,180.60/1,300,521.30 = 493,766.20/x
  3. Step 3: Cross multiply
    868,180.60x = 1,300,521.30 × 493,766.20
  4. Step 4: Simplify right side
    868,180.60x = 642,153,460,320.06
  5. Step 5: Solve for x
    x = 642,153,460,320.06/868,180.60
  6. Step 6: Final answer
    x = 739,654.24

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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.