Home / 807,084.38-1,113,509.85-520,794.74

Finding the Fourth Proportional to 807,084.38, 1,113,509.85 and 520,794.74

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Solution

The fourth proportional to 807,084.38, 1,113,509.85 and 520,794.74 is: 718,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,084.38 : 1,113,509.85 = 520,794.74 : x
  2. Step 2: Convert to fraction form
    807,084.38/1,113,509.85 = 520,794.74/x
  3. Step 3: Cross multiply
    807,084.38x = 1,113,509.85 × 520,794.74
  4. Step 4: Simplify right side
    807,084.38x = 579,910,072,818.19
  5. Step 5: Solve for x
    x = 579,910,072,818.19/807,084.38
  6. Step 6: Final answer
    x = 718,524.71

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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.