Home / 887,562.40-1,331,015.55-288,543.10

Finding the Fourth Proportional to 887,562.40, 1,331,015.55 and 288,543.10

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Solution

The fourth proportional to 887,562.40, 1,331,015.55 and 288,543.10 is: 432,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,562.40 : 1,331,015.55 = 288,543.10 : x
  2. Step 2: Convert to fraction form
    887,562.40/1,331,015.55 = 288,543.10/x
  3. Step 3: Cross multiply
    887,562.40x = 1,331,015.55 × 288,543.10
  4. Step 4: Simplify right side
    887,562.40x = 384,055,352,945.21
  5. Step 5: Solve for x
    x = 384,055,352,945.21/887,562.40
  6. Step 6: Final answer
    x = 432,708.00

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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.