Home / 748,384.25-1,122,063.98-268,601.40

Finding the Fourth Proportional to 748,384.25, 1,122,063.98 and 268,601.40

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Solution

The fourth proportional to 748,384.25, 1,122,063.98 and 268,601.40 is: 402,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,384.25 : 1,122,063.98 = 268,601.40 : x
  2. Step 2: Convert to fraction form
    748,384.25/1,122,063.98 = 268,601.40/x
  3. Step 3: Cross multiply
    748,384.25x = 1,122,063.98 × 268,601.40
  4. Step 4: Simplify right side
    748,384.25x = 301,387,954,574.57
  5. Step 5: Solve for x
    x = 301,387,954,574.57/748,384.25
  6. Step 6: Final answer
    x = 402,718.20

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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.