Home / 816,278.40-1,224,417.60-532,843.20

Finding the Fourth Proportional to 816,278.40, 1,224,417.60 and 532,843.20

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Solution

The fourth proportional to 816,278.40, 1,224,417.60 and 532,843.20 is: 799,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,278.40 : 1,224,417.60 = 532,843.20 : x
  2. Step 2: Convert to fraction form
    816,278.40/1,224,417.60 = 532,843.20/x
  3. Step 3: Cross multiply
    816,278.40x = 1,224,417.60 × 532,843.20
  4. Step 4: Simplify right side
    816,278.40x = 652,422,592,120.32
  5. Step 5: Solve for x
    x = 652,422,592,120.32/816,278.40
  6. Step 6: Final answer
    x = 799,264.80

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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.