Home / 761,913.73-1,142,695.70-454,252.76

Finding the Fourth Proportional to 761,913.73, 1,142,695.70 and 454,252.76

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Solution

The fourth proportional to 761,913.73, 1,142,695.70 and 454,252.76 is: 681,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,913.73 : 1,142,695.70 = 454,252.76 : x
  2. Step 2: Convert to fraction form
    761,913.73/1,142,695.70 = 454,252.76/x
  3. Step 3: Cross multiply
    761,913.73x = 1,142,695.70 × 454,252.76
  4. Step 4: Simplify right side
    761,913.73x = 519,072,673,293.87
  5. Step 5: Solve for x
    x = 519,072,673,293.87/761,913.73
  6. Step 6: Final answer
    x = 681,274.87

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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.