Home / 864,350.10-1,297,293.15-508,919.70

Finding the Fourth Proportional to 864,350.10, 1,297,293.15 and 508,919.70

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Solution

The fourth proportional to 864,350.10, 1,297,293.15 and 508,919.70 is: 763,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,350.10 : 1,297,293.15 = 508,919.70 : x
  2. Step 2: Convert to fraction form
    864,350.10/1,297,293.15 = 508,919.70/x
  3. Step 3: Cross multiply
    864,350.10x = 1,297,293.15 × 508,919.70
  4. Step 4: Simplify right side
    864,350.10x = 660,218,040,710.06
  5. Step 5: Solve for x
    x = 660,218,040,710.06/864,350.10
  6. Step 6: Final answer
    x = 763,831.74

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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.