Home / 546,780.80-819,925.12-231,075.20

Finding the Fourth Proportional to 546,780.80, 819,925.12 and 231,075.20

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Solution

The fourth proportional to 546,780.80, 819,925.12 and 231,075.20 is: 346,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,780.80 : 819,925.12 = 231,075.20 : x
  2. Step 2: Convert to fraction form
    546,780.80/819,925.12 = 231,075.20/x
  3. Step 3: Cross multiply
    546,780.80x = 819,925.12 × 231,075.20
  4. Step 4: Simplify right side
    546,780.80x = 189,464,361,089.02
  5. Step 5: Solve for x
    x = 189,464,361,089.02/546,780.80
  6. Step 6: Final answer
    x = 346,508.80

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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.