Home / 898,512-1,238,935.68-734,657.28

Finding the Fourth Proportional to 898,512, 1,238,935.68 and 734,657.28

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Solution

The fourth proportional to 898,512, 1,238,935.68 and 734,657.28 is: 1,013,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,512 : 1,238,935.68 = 734,657.28 : x
  2. Step 2: Convert to fraction form
    898,512/1,238,935.68 = 734,657.28/x
  3. Step 3: Cross multiply
    898,512x = 1,238,935.68 × 734,657.28
  4. Step 4: Simplify right side
    898,512x = 910,193,116,763.75
  5. Step 5: Solve for x
    x = 910,193,116,763.75/898,512
  6. Step 6: Final answer
    x = 1,013,000.51

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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.