Home / 712,779.13-1,069,328.27-239,451.58

Finding the Fourth Proportional to 712,779.13, 1,069,328.27 and 239,451.58

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Solution

The fourth proportional to 712,779.13, 1,069,328.27 and 239,451.58 is: 359,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,779.13 : 1,069,328.27 = 239,451.58 : x
  2. Step 2: Convert to fraction form
    712,779.13/1,069,328.27 = 239,451.58/x
  3. Step 3: Cross multiply
    712,779.13x = 1,069,328.27 × 239,451.58
  4. Step 4: Simplify right side
    712,779.13x = 256,052,343,790.17
  5. Step 5: Solve for x
    x = 256,052,343,790.17/712,779.13
  6. Step 6: Final answer
    x = 359,230.98

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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.