Home / 898,281.56-1,239,610.02-490,391.48

Finding the Fourth Proportional to 898,281.56, 1,239,610.02 and 490,391.48

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Solution

The fourth proportional to 898,281.56, 1,239,610.02 and 490,391.48 is: 676,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,281.56 : 1,239,610.02 = 490,391.48 : x
  2. Step 2: Convert to fraction form
    898,281.56/1,239,610.02 = 490,391.48/x
  3. Step 3: Cross multiply
    898,281.56x = 1,239,610.02 × 490,391.48
  4. Step 4: Simplify right side
    898,281.56x = 607,894,192,330.63
  5. Step 5: Solve for x
    x = 607,894,192,330.63/898,281.56
  6. Step 6: Final answer
    x = 676,730.12

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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.