Home / 993,132.40-1,490,476.20-460,719.40

Finding the Fourth Proportional to 993,132.40, 1,490,476.20 and 460,719.40

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Solution

The fourth proportional to 993,132.40, 1,490,476.20 and 460,719.40 is: 691,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,132.40 : 1,490,476.20 = 460,719.40 : x
  2. Step 2: Convert to fraction form
    993,132.40/1,490,476.20 = 460,719.40/x
  3. Step 3: Cross multiply
    993,132.40x = 1,490,476.20 × 460,719.40
  4. Step 4: Simplify right side
    993,132.40x = 686,691,300,578.28
  5. Step 5: Solve for x
    x = 686,691,300,578.28/993,132.40
  6. Step 6: Final answer
    x = 691,439.83

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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.