Home / 898,440.92-1,239,851.04-490,546.28

Finding the Fourth Proportional to 898,440.92, 1,239,851.04 and 490,546.28

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Solution

The fourth proportional to 898,440.92, 1,239,851.04 and 490,546.28 is: 676,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,440.92 : 1,239,851.04 = 490,546.28 : x
  2. Step 2: Convert to fraction form
    898,440.92/1,239,851.04 = 490,546.28/x
  3. Step 3: Cross multiply
    898,440.92x = 1,239,851.04 × 490,546.28
  4. Step 4: Simplify right side
    898,440.92x = 608,204,315,426.13
  5. Step 5: Solve for x
    x = 608,204,315,426.13/898,440.92
  6. Step 6: Final answer
    x = 676,955.27

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Double scale
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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.