Home / 781,854.44-1,078,899.52-437,611.52

Finding the Fourth Proportional to 781,854.44, 1,078,899.52 and 437,611.52

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Solution

The fourth proportional to 781,854.44, 1,078,899.52 and 437,611.52 is: 603,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,854.44 : 1,078,899.52 = 437,611.52 : x
  2. Step 2: Convert to fraction form
    781,854.44/1,078,899.52 = 437,611.52/x
  3. Step 3: Cross multiply
    781,854.44x = 1,078,899.52 × 437,611.52
  4. Step 4: Simplify right side
    781,854.44x = 472,138,858,874.47
  5. Step 5: Solve for x
    x = 472,138,858,874.47/781,854.44
  6. Step 6: Final answer
    x = 603,870.53

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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.