Home / 898,528.64-1,240,020.06-490,668.44

Finding the Fourth Proportional to 898,528.64, 1,240,020.06 and 490,668.44

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Solution

The fourth proportional to 898,528.64, 1,240,020.06 and 490,668.44 is: 677,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,528.64 : 1,240,020.06 = 490,668.44 : x
  2. Step 2: Convert to fraction form
    898,528.64/1,240,020.06 = 490,668.44/x
  3. Step 3: Cross multiply
    898,528.64x = 1,240,020.06 × 490,668.44
  4. Step 4: Simplify right side
    898,528.64x = 608,438,708,408.91
  5. Step 5: Solve for x
    x = 608,438,708,408.91/898,528.64
  6. Step 6: Final answer
    x = 677,150.04

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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.