Home / 788,462.85-1,088,079.17-425,886.71

Finding the Fourth Proportional to 788,462.85, 1,088,079.17 and 425,886.71

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Solution

The fourth proportional to 788,462.85, 1,088,079.17 and 425,886.71 is: 587,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,462.85 : 1,088,079.17 = 425,886.71 : x
  2. Step 2: Convert to fraction form
    788,462.85/1,088,079.17 = 425,886.71/x
  3. Step 3: Cross multiply
    788,462.85x = 1,088,079.17 × 425,886.71
  4. Step 4: Simplify right side
    788,462.85x = 463,398,450,361.00
  5. Step 5: Solve for x
    x = 463,398,450,361.00/788,462.85
  6. Step 6: Final answer
    x = 587,723.89

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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.