Home / 803,043.12-1,107,779.68-476,165.88

Finding the Fourth Proportional to 803,043.12, 1,107,779.68 and 476,165.88

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Solution

The fourth proportional to 803,043.12, 1,107,779.68 and 476,165.88 is: 656,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,043.12 : 1,107,779.68 = 476,165.88 : x
  2. Step 2: Convert to fraction form
    803,043.12/1,107,779.68 = 476,165.88/x
  3. Step 3: Cross multiply
    803,043.12x = 1,107,779.68 × 476,165.88
  4. Step 4: Simplify right side
    803,043.12x = 527,486,886,173.32
  5. Step 5: Solve for x
    x = 527,486,886,173.32/803,043.12
  6. Step 6: Final answer
    x = 656,859.98

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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.