Home / 887,445.80-1,329,419.10-531,402.20

Finding the Fourth Proportional to 887,445.80, 1,329,419.10 and 531,402.20

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Solution

The fourth proportional to 887,445.80, 1,329,419.10 and 531,402.20 is: 796,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,445.80 : 1,329,419.10 = 531,402.20 : x
  2. Step 2: Convert to fraction form
    887,445.80/1,329,419.10 = 531,402.20/x
  3. Step 3: Cross multiply
    887,445.80x = 1,329,419.10 × 531,402.20
  4. Step 4: Simplify right side
    887,445.80x = 706,456,234,462.02
  5. Step 5: Solve for x
    x = 706,456,234,462.02/887,445.80
  6. Step 6: Final answer
    x = 796,055.64

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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.