Home / 945,348.30-1,416,839.85-472,165.74

Finding the Fourth Proportional to 945,348.30, 1,416,839.85 and 472,165.74

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Solution

The fourth proportional to 945,348.30, 1,416,839.85 and 472,165.74 is: 707,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,348.30 : 1,416,839.85 = 472,165.74 : x
  2. Step 2: Convert to fraction form
    945,348.30/1,416,839.85 = 472,165.74/x
  3. Step 3: Cross multiply
    945,348.30x = 1,416,839.85 × 472,165.74
  4. Step 4: Simplify right side
    945,348.30x = 668,983,236,236.74
  5. Step 5: Solve for x
    x = 668,983,236,236.74/945,348.30
  6. Step 6: Final answer
    x = 707,657.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.