Home / 898,450.38-1,239,864.15-490,555.74

Finding the Fourth Proportional to 898,450.38, 1,239,864.15 and 490,555.74

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Solution

The fourth proportional to 898,450.38, 1,239,864.15 and 490,555.74 is: 676,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,450.38 : 1,239,864.15 = 490,555.74 : x
  2. Step 2: Convert to fraction form
    898,450.38/1,239,864.15 = 490,555.74/x
  3. Step 3: Cross multiply
    898,450.38x = 1,239,864.15 × 490,555.74
  4. Step 4: Simplify right side
    898,450.38x = 608,222,475,602.72
  5. Step 5: Solve for x
    x = 608,222,475,602.72/898,450.38
  6. Step 6: Final answer
    x = 676,968.35

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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.