Home / 715,823.70-1,071,399.09-526,233.88

Finding the Fourth Proportional to 715,823.70, 1,071,399.09 and 526,233.88

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Solution

The fourth proportional to 715,823.70, 1,071,399.09 and 526,233.88 is: 787,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,823.70 : 1,071,399.09 = 526,233.88 : x
  2. Step 2: Convert to fraction form
    715,823.70/1,071,399.09 = 526,233.88/x
  3. Step 3: Cross multiply
    715,823.70x = 1,071,399.09 × 526,233.88
  4. Step 4: Simplify right side
    715,823.70x = 563,806,500,159.17
  5. Step 5: Solve for x
    x = 563,806,500,159.17/715,823.70
  6. Step 6: Final answer
    x = 787,633.18

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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.