Home / 898,463.91-1,239,897.46-490,581.92

Finding the Fourth Proportional to 898,463.91, 1,239,897.46 and 490,581.92

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Solution

The fourth proportional to 898,463.91, 1,239,897.46 and 490,581.92 is: 677,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,463.91 : 1,239,897.46 = 490,581.92 : x
  2. Step 2: Convert to fraction form
    898,463.91/1,239,897.46 = 490,581.92/x
  3. Step 3: Cross multiply
    898,463.91x = 1,239,897.46 × 490,581.92
  4. Step 4: Simplify right side
    898,463.91x = 608,271,267,877.53
  5. Step 5: Solve for x
    x = 608,271,267,877.53/898,463.91
  6. Step 6: Final answer
    x = 677,012.47

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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.