Home / 864,498.17-1,296,809.54-332,019.20

Finding the Fourth Proportional to 864,498.17, 1,296,809.54 and 332,019.20

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Solution

The fourth proportional to 864,498.17, 1,296,809.54 and 332,019.20 is: 498,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,498.17 : 1,296,809.54 = 332,019.20 : x
  2. Step 2: Convert to fraction form
    864,498.17/1,296,809.54 = 332,019.20/x
  3. Step 3: Cross multiply
    864,498.17x = 1,296,809.54 × 332,019.20
  4. Step 4: Simplify right side
    864,498.17x = 430,565,664,363.07
  5. Step 5: Solve for x
    x = 430,565,664,363.07/864,498.17
  6. Step 6: Final answer
    x = 498,052.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.