Home / 697,255.18-962,171.68-391,302.98

Finding the Fourth Proportional to 697,255.18, 962,171.68 and 391,302.98

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Solution

The fourth proportional to 697,255.18, 962,171.68 and 391,302.98 is: 539,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,255.18 : 962,171.68 = 391,302.98 : x
  2. Step 2: Convert to fraction form
    697,255.18/962,171.68 = 391,302.98/x
  3. Step 3: Cross multiply
    697,255.18x = 962,171.68 × 391,302.98
  4. Step 4: Simplify right side
    697,255.18x = 376,500,645,655.61
  5. Step 5: Solve for x
    x = 376,500,645,655.61/697,255.18
  6. Step 6: Final answer
    x = 539,975.40

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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.