Home / 864,415.72-1,191,465.96-577,831.24

Finding the Fourth Proportional to 864,415.72, 1,191,465.96 and 577,831.24

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Solution

The fourth proportional to 864,415.72, 1,191,465.96 and 577,831.24 is: 796,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,415.72 : 1,191,465.96 = 577,831.24 : x
  2. Step 2: Convert to fraction form
    864,415.72/1,191,465.96 = 577,831.24/x
  3. Step 3: Cross multiply
    864,415.72x = 1,191,465.96 × 577,831.24
  4. Step 4: Simplify right side
    864,415.72x = 688,466,253,084.59
  5. Step 5: Solve for x
    x = 688,466,253,084.59/864,415.72
  6. Step 6: Final answer
    x = 796,452.72

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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.