Home / 813,332.90-1,219,766.07-314,580.26

Finding the Fourth Proportional to 813,332.90, 1,219,766.07 and 314,580.26

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Solution

The fourth proportional to 813,332.90, 1,219,766.07 and 314,580.26 is: 471,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,332.90 : 1,219,766.07 = 314,580.26 : x
  2. Step 2: Convert to fraction form
    813,332.90/1,219,766.07 = 314,580.26/x
  3. Step 3: Cross multiply
    813,332.90x = 1,219,766.07 × 314,580.26
  4. Step 4: Simplify right side
    813,332.90x = 383,714,327,439.78
  5. Step 5: Solve for x
    x = 383,714,327,439.78/813,332.90
  6. Step 6: Final answer
    x = 471,780.16

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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.