Home / 676,864.40-1,014,605.40-396,237.20

Finding the Fourth Proportional to 676,864.40, 1,014,605.40 and 396,237.20

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Solution

The fourth proportional to 676,864.40, 1,014,605.40 and 396,237.20 is: 593,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,864.40 : 1,014,605.40 = 396,237.20 : x
  2. Step 2: Convert to fraction form
    676,864.40/1,014,605.40 = 396,237.20/x
  3. Step 3: Cross multiply
    676,864.40x = 1,014,605.40 × 396,237.20
  4. Step 4: Simplify right side
    676,864.40x = 402,024,402,800.88
  5. Step 5: Solve for x
    x = 402,024,402,800.88/676,864.40
  6. Step 6: Final answer
    x = 593,951.17

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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.