Home / 864,454.52-1,296,663.65-288,119.52

Finding the Fourth Proportional to 864,454.52, 1,296,663.65 and 288,119.52

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Solution

The fourth proportional to 864,454.52, 1,296,663.65 and 288,119.52 is: 432,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,454.52 : 1,296,663.65 = 288,119.52 : x
  2. Step 2: Convert to fraction form
    864,454.52/1,296,663.65 = 288,119.52/x
  3. Step 3: Cross multiply
    864,454.52x = 1,296,663.65 × 288,119.52
  4. Step 4: Simplify right side
    864,454.52x = 373,594,108,439.45
  5. Step 5: Solve for x
    x = 373,594,108,439.45/864,454.52
  6. Step 6: Final answer
    x = 432,173.24

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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.