Home / 945,423.88-1,418,148.12-314,337.68

Finding the Fourth Proportional to 945,423.88, 1,418,148.12 and 314,337.68

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Solution

The fourth proportional to 945,423.88, 1,418,148.12 and 314,337.68 is: 471,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,423.88 : 1,418,148.12 = 314,337.68 : x
  2. Step 2: Convert to fraction form
    945,423.88/1,418,148.12 = 314,337.68/x
  3. Step 3: Cross multiply
    945,423.88x = 1,418,148.12 × 314,337.68
  4. Step 4: Simplify right side
    945,423.88x = 445,777,389,937.16
  5. Step 5: Solve for x
    x = 445,777,389,937.16/945,423.88
  6. Step 6: Final answer
    x = 471,510.61

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Double scale
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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.