Home / 915,179.20-1,262,931.94-501,713.20

Finding the Fourth Proportional to 915,179.20, 1,262,931.94 and 501,713.20

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Solution

The fourth proportional to 915,179.20, 1,262,931.94 and 501,713.20 is: 692,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,179.20 : 1,262,931.94 = 501,713.20 : x
  2. Step 2: Convert to fraction form
    915,179.20/1,262,931.94 = 501,713.20/x
  3. Step 3: Cross multiply
    915,179.20x = 1,262,931.94 × 501,713.20
  4. Step 4: Simplify right side
    915,179.20x = 633,629,624,999.61
  5. Step 5: Solve for x
    x = 633,629,624,999.61/915,179.20
  6. Step 6: Final answer
    x = 692,355.80

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1.5x scale

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.