Home / 818,228.46-1,128,573.62-546,159.18

Finding the Fourth Proportional to 818,228.46, 1,128,573.62 and 546,159.18

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Solution

The fourth proportional to 818,228.46, 1,128,573.62 and 546,159.18 is: 753,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,228.46 : 1,128,573.62 = 546,159.18 : x
  2. Step 2: Convert to fraction form
    818,228.46/1,128,573.62 = 546,159.18/x
  3. Step 3: Cross multiply
    818,228.46x = 1,128,573.62 × 546,159.18
  4. Step 4: Simplify right side
    818,228.46x = 616,380,842,868.83
  5. Step 5: Solve for x
    x = 616,380,842,868.83/818,228.46
  6. Step 6: Final answer
    x = 753,311.42

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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.