Home / 701,421.20-1,052,563.80-302,253.20

Finding the Fourth Proportional to 701,421.20, 1,052,563.80 and 302,253.20

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Solution

The fourth proportional to 701,421.20, 1,052,563.80 and 302,253.20 is: 453,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,421.20 : 1,052,563.80 = 302,253.20 : x
  2. Step 2: Convert to fraction form
    701,421.20/1,052,563.80 = 302,253.20/x
  3. Step 3: Cross multiply
    701,421.20x = 1,052,563.80 × 302,253.20
  4. Step 4: Simplify right side
    701,421.20x = 318,140,776,754.16
  5. Step 5: Solve for x
    x = 318,140,776,754.16/701,421.20
  6. Step 6: Final answer
    x = 453,565.96

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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.