Home / 878,567.46-1,318,030.92-302,115.87

Finding the Fourth Proportional to 878,567.46, 1,318,030.92 and 302,115.87

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Solution

The fourth proportional to 878,567.46, 1,318,030.92 and 302,115.87 is: 453,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,567.46 : 1,318,030.92 = 302,115.87 : x
  2. Step 2: Convert to fraction form
    878,567.46/1,318,030.92 = 302,115.87/x
  3. Step 3: Cross multiply
    878,567.46x = 1,318,030.92 × 302,115.87
  4. Step 4: Simplify right side
    878,567.46x = 398,198,058,430.53
  5. Step 5: Solve for x
    x = 398,198,058,430.53/878,567.46
  6. Step 6: Final answer
    x = 453,235.61

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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.