Home / 898,484.75-1,239,959.19-490,624.45

Finding the Fourth Proportional to 898,484.75, 1,239,959.19 and 490,624.45

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Solution

The fourth proportional to 898,484.75, 1,239,959.19 and 490,624.45 is: 677,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,484.75 : 1,239,959.19 = 490,624.45 : x
  2. Step 2: Convert to fraction form
    898,484.75/1,239,959.19 = 490,624.45/x
  3. Step 3: Cross multiply
    898,484.75x = 1,239,959.19 × 490,624.45
  4. Step 4: Simplify right side
    898,484.75x = 608,354,295,616.20
  5. Step 5: Solve for x
    x = 608,354,295,616.20/898,484.75
  6. Step 6: Final answer
    x = 677,089.17

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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.