Home / 678,722.04-935,977.26-458,443.77

Finding the Fourth Proportional to 678,722.04, 935,977.26 and 458,443.77

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Solution

The fourth proportional to 678,722.04, 935,977.26 and 458,443.77 is: 632,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,722.04 : 935,977.26 = 458,443.77 : x
  2. Step 2: Convert to fraction form
    678,722.04/935,977.26 = 458,443.77/x
  3. Step 3: Cross multiply
    678,722.04x = 935,977.26 × 458,443.77
  4. Step 4: Simplify right side
    678,722.04x = 429,092,943,708.67
  5. Step 5: Solve for x
    x = 429,092,943,708.67/678,722.04
  6. Step 6: Final answer
    x = 632,207.18

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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.