Home / 955,087.20-1,318,012.97-525,357.90

Finding the Fourth Proportional to 955,087.20, 1,318,012.97 and 525,357.90

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Solution

The fourth proportional to 955,087.20, 1,318,012.97 and 525,357.90 is: 724,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,087.20 : 1,318,012.97 = 525,357.90 : x
  2. Step 2: Convert to fraction form
    955,087.20/1,318,012.97 = 525,357.90/x
  3. Step 3: Cross multiply
    955,087.20x = 1,318,012.97 × 525,357.90
  4. Step 4: Simplify right side
    955,087.20x = 692,428,523,465.17
  5. Step 5: Solve for x
    x = 692,428,523,465.17/955,087.20
  6. Step 6: Final answer
    x = 724,989.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.