Home / 758,651.65-1,132,443.16-662,883.35

Finding the Fourth Proportional to 758,651.65, 1,132,443.16 and 662,883.35

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Solution

The fourth proportional to 758,651.65, 1,132,443.16 and 662,883.35 is: 989,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,651.65 : 1,132,443.16 = 662,883.35 : x
  2. Step 2: Convert to fraction form
    758,651.65/1,132,443.16 = 662,883.35/x
  3. Step 3: Cross multiply
    758,651.65x = 1,132,443.16 × 662,883.35
  4. Step 4: Simplify right side
    758,651.65x = 750,677,708,265.96
  5. Step 5: Solve for x
    x = 750,677,708,265.96/758,651.65
  6. Step 6: Final answer
    x = 989,489.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.