Home / 898,523.64-1,240,013.16-490,663.44

Finding the Fourth Proportional to 898,523.64, 1,240,013.16 and 490,663.44

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Solution

The fourth proportional to 898,523.64, 1,240,013.16 and 490,663.44 is: 677,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,523.64 : 1,240,013.16 = 490,663.44 : x
  2. Step 2: Convert to fraction form
    898,523.64/1,240,013.16 = 490,663.44/x
  3. Step 3: Cross multiply
    898,523.64x = 1,240,013.16 × 490,663.44
  4. Step 4: Simplify right side
    898,523.64x = 608,429,122,730.87
  5. Step 5: Solve for x
    x = 608,429,122,730.87/898,523.64
  6. Step 6: Final answer
    x = 677,143.14

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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.