Home / 739,969.11-1,109,962.05-260,211.18

Finding the Fourth Proportional to 739,969.11, 1,109,962.05 and 260,211.18

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Solution

The fourth proportional to 739,969.11, 1,109,962.05 and 260,211.18 is: 390,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,969.11 : 1,109,962.05 = 260,211.18 : x
  2. Step 2: Convert to fraction form
    739,969.11/1,109,962.05 = 260,211.18/x
  3. Step 3: Cross multiply
    739,969.11x = 1,109,962.05 × 260,211.18
  4. Step 4: Simplify right side
    739,969.11x = 288,824,534,785.72
  5. Step 5: Solve for x
    x = 288,824,534,785.72/739,969.11
  6. Step 6: Final answer
    x = 390,319.72

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1.5x scale

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.