Home / 903,500.80-1,246,870.20-540,854.49

Finding the Fourth Proportional to 903,500.80, 1,246,870.20 and 540,854.49

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Solution

The fourth proportional to 903,500.80, 1,246,870.20 and 540,854.49 is: 746,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,500.80 : 1,246,870.20 = 540,854.49 : x
  2. Step 2: Convert to fraction form
    903,500.80/1,246,870.20 = 540,854.49/x
  3. Step 3: Cross multiply
    903,500.80x = 1,246,870.20 × 540,854.49
  4. Step 4: Simplify right side
    903,500.80x = 674,375,346,117.20
  5. Step 5: Solve for x
    x = 674,375,346,117.20/903,500.80
  6. Step 6: Final answer
    x = 746,402.60

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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.