Home / 689,599.73-1,034,389.18-310,252.58

Finding the Fourth Proportional to 689,599.73, 1,034,389.18 and 310,252.58

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Solution

The fourth proportional to 689,599.73, 1,034,389.18 and 310,252.58 is: 465,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,599.73 : 1,034,389.18 = 310,252.58 : x
  2. Step 2: Convert to fraction form
    689,599.73/1,034,389.18 = 310,252.58/x
  3. Step 3: Cross multiply
    689,599.73x = 1,034,389.18 × 310,252.58
  4. Step 4: Simplify right side
    689,599.73x = 320,921,910,008.74
  5. Step 5: Solve for x
    x = 320,921,910,008.74/689,599.73
  6. Step 6: Final answer
    x = 465,374.18

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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.