Home / 897,908.04-1,239,139.22-490,036.10

Finding the Fourth Proportional to 897,908.04, 1,239,139.22 and 490,036.10

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Solution

The fourth proportional to 897,908.04, 1,239,139.22 and 490,036.10 is: 676,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,908.04 : 1,239,139.22 = 490,036.10 : x
  2. Step 2: Convert to fraction form
    897,908.04/1,239,139.22 = 490,036.10/x
  3. Step 3: Cross multiply
    897,908.04x = 1,239,139.22 × 490,036.10
  4. Step 4: Simplify right side
    897,908.04x = 607,222,942,079.97
  5. Step 5: Solve for x
    x = 607,222,942,079.97/897,908.04
  6. Step 6: Final answer
    x = 676,264.07

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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.