Home / 748,097.93-1,121,634.28-268,315.47

Finding the Fourth Proportional to 748,097.93, 1,121,634.28 and 268,315.47

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Solution

The fourth proportional to 748,097.93, 1,121,634.28 and 268,315.47 is: 402,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,097.93 : 1,121,634.28 = 268,315.47 : x
  2. Step 2: Convert to fraction form
    748,097.93/1,121,634.28 = 268,315.47/x
  3. Step 3: Cross multiply
    748,097.93x = 1,121,634.28 × 268,315.47
  4. Step 4: Simplify right side
    748,097.93x = 300,951,829,341.71
  5. Step 5: Solve for x
    x = 300,951,829,341.71/748,097.93
  6. Step 6: Final answer
    x = 402,289.35

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1.5x scale

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.