Home / 898,245.49-1,239,581.01-490,347.61

Finding the Fourth Proportional to 898,245.49, 1,239,581.01 and 490,347.61

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Solution

The fourth proportional to 898,245.49, 1,239,581.01 and 490,347.61 is: 676,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,245.49 : 1,239,581.01 = 490,347.61 : x
  2. Step 2: Convert to fraction form
    898,245.49/1,239,581.01 = 490,347.61/x
  3. Step 3: Cross multiply
    898,245.49x = 1,239,581.01 × 490,347.61
  4. Step 4: Simplify right side
    898,245.49x = 607,825,586,176.45
  5. Step 5: Solve for x
    x = 607,825,586,176.45/898,245.49
  6. Step 6: Final answer
    x = 676,680.92

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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.