Home / 898,499.70-1,239,920.19-490,600.35

Finding the Fourth Proportional to 898,499.70, 1,239,920.19 and 490,600.35

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Solution

The fourth proportional to 898,499.70, 1,239,920.19 and 490,600.35 is: 677,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,499.70 : 1,239,920.19 = 490,600.35 : x
  2. Step 2: Convert to fraction form
    898,499.70/1,239,920.19 = 490,600.35/x
  3. Step 3: Cross multiply
    898,499.70x = 1,239,920.19 × 490,600.35
  4. Step 4: Simplify right side
    898,499.70x = 608,305,279,186.07
  5. Step 5: Solve for x
    x = 608,305,279,186.07/898,499.70
  6. Step 6: Final answer
    x = 677,023.35

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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.