Home / 875,350.80-1,312,500.60-342,236.16

Finding the Fourth Proportional to 875,350.80, 1,312,500.60 and 342,236.16

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Solution

The fourth proportional to 875,350.80, 1,312,500.60 and 342,236.16 is: 513,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,350.80 : 1,312,500.60 = 342,236.16 : x
  2. Step 2: Convert to fraction form
    875,350.80/1,312,500.60 = 342,236.16/x
  3. Step 3: Cross multiply
    875,350.80x = 1,312,500.60 × 342,236.16
  4. Step 4: Simplify right side
    875,350.80x = 449,185,165,341.70
  5. Step 5: Solve for x
    x = 449,185,165,341.70/875,350.80
  6. Step 6: Final answer
    x = 513,148.75

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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.