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Finding the Fourth Proportional to 598,916.60, 898,374.90 and 587,106.80

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Solution

The fourth proportional to 598,916.60, 898,374.90 and 587,106.80 is: 880,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,916.60 : 898,374.90 = 587,106.80 : x
  2. Step 2: Convert to fraction form
    598,916.60/898,374.90 = 587,106.80/x
  3. Step 3: Cross multiply
    598,916.60x = 898,374.90 × 587,106.80
  4. Step 4: Simplify right side
    598,916.60x = 527,442,012,739.32
  5. Step 5: Solve for x
    x = 527,442,012,739.32/598,916.60
  6. Step 6: Final answer
    x = 880,660.20

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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.