Home / 875,475.80-1,312,241.70-342,819.80

Finding the Fourth Proportional to 875,475.80, 1,312,241.70 and 342,819.80

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Solution

The fourth proportional to 875,475.80, 1,312,241.70 and 342,819.80 is: 513,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,475.80 : 1,312,241.70 = 342,819.80 : x
  2. Step 2: Convert to fraction form
    875,475.80/1,312,241.70 = 342,819.80/x
  3. Step 3: Cross multiply
    875,475.80x = 1,312,241.70 × 342,819.80
  4. Step 4: Simplify right side
    875,475.80x = 449,862,437,145.66
  5. Step 5: Solve for x
    x = 449,862,437,145.66/875,475.80
  6. Step 6: Final answer
    x = 513,849.08

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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.