Home / 898,536.97-1,240,031.53-490,676.73

Finding the Fourth Proportional to 898,536.97, 1,240,031.53 and 490,676.73

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Solution

The fourth proportional to 898,536.97, 1,240,031.53 and 490,676.73 is: 677,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,536.97 : 1,240,031.53 = 490,676.73 : x
  2. Step 2: Convert to fraction form
    898,536.97/1,240,031.53 = 490,676.73/x
  3. Step 3: Cross multiply
    898,536.97x = 1,240,031.53 × 490,676.73
  4. Step 4: Simplify right side
    898,536.97x = 608,454,616,237.30
  5. Step 5: Solve for x
    x = 608,454,616,237.30/898,536.97
  6. Step 6: Final answer
    x = 677,161.47

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1.5x scale

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.