Home / 887,435.20-1,330,375.20-532,590.40

Finding the Fourth Proportional to 887,435.20, 1,330,375.20 and 532,590.40

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Solution

The fourth proportional to 887,435.20, 1,330,375.20 and 532,590.40 is: 798,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,435.20 : 1,330,375.20 = 532,590.40 : x
  2. Step 2: Convert to fraction form
    887,435.20/1,330,375.20 = 532,590.40/x
  3. Step 3: Cross multiply
    887,435.20x = 1,330,375.20 × 532,590.40
  4. Step 4: Simplify right side
    887,435.20x = 708,545,059,918.08
  5. Step 5: Solve for x
    x = 708,545,059,918.08/887,435.20
  6. Step 6: Final answer
    x = 798,418.93

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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.