Home / 887,433.60-1,330,372.80-532,070.40

Finding the Fourth Proportional to 887,433.60, 1,330,372.80 and 532,070.40

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Solution

The fourth proportional to 887,433.60, 1,330,372.80 and 532,070.40 is: 797,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,433.60 : 1,330,372.80 = 532,070.40 : x
  2. Step 2: Convert to fraction form
    887,433.60/1,330,372.80 = 532,070.40/x
  3. Step 3: Cross multiply
    887,433.60x = 1,330,372.80 × 532,070.40
  4. Step 4: Simplify right side
    887,433.60x = 707,851,987,845.12
  5. Step 5: Solve for x
    x = 707,851,987,845.12/887,433.60
  6. Step 6: Final answer
    x = 797,639.38

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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.