Home / 816,288.40-1,224,432.60-532,853.20

Finding the Fourth Proportional to 816,288.40, 1,224,432.60 and 532,853.20

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Solution

The fourth proportional to 816,288.40, 1,224,432.60 and 532,853.20 is: 799,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,288.40 : 1,224,432.60 = 532,853.20 : x
  2. Step 2: Convert to fraction form
    816,288.40/1,224,432.60 = 532,853.20/x
  3. Step 3: Cross multiply
    816,288.40x = 1,224,432.60 × 532,853.20
  4. Step 4: Simplify right side
    816,288.40x = 652,442,829,094.32
  5. Step 5: Solve for x
    x = 652,442,829,094.32/816,288.40
  6. Step 6: Final answer
    x = 799,279.80

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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.