Home / 807,074.60-1,113,680.52-496,927.92

Finding the Fourth Proportional to 807,074.60, 1,113,680.52 and 496,927.92

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Solution

The fourth proportional to 807,074.60, 1,113,680.52 and 496,927.92 is: 685,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,074.60 : 1,113,680.52 = 496,927.92 : x
  2. Step 2: Convert to fraction form
    807,074.60/1,113,680.52 = 496,927.92/x
  3. Step 3: Cross multiply
    807,074.60x = 1,113,680.52 × 496,927.92
  4. Step 4: Simplify right side
    807,074.60x = 553,418,944,348.12
  5. Step 5: Solve for x
    x = 553,418,944,348.12/807,074.60
  6. Step 6: Final answer
    x = 685,709.78

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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.