Home / 993,153.90-1,490,508.45-460,740.90

Finding the Fourth Proportional to 993,153.90, 1,490,508.45 and 460,740.90

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Solution

The fourth proportional to 993,153.90, 1,490,508.45 and 460,740.90 is: 691,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,153.90 : 1,490,508.45 = 460,740.90 : x
  2. Step 2: Convert to fraction form
    993,153.90/1,490,508.45 = 460,740.90/x
  3. Step 3: Cross multiply
    993,153.90x = 1,490,508.45 × 460,740.90
  4. Step 4: Simplify right side
    993,153.90x = 686,738,204,710.61
  5. Step 5: Solve for x
    x = 686,738,204,710.61/993,153.90
  6. Step 6: Final answer
    x = 691,472.09

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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.