Home / 739,277.20-1,108,656.60-384,173.20

Finding the Fourth Proportional to 739,277.20, 1,108,656.60 and 384,173.20

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Solution

The fourth proportional to 739,277.20, 1,108,656.60 and 384,173.20 is: 576,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,277.20 : 1,108,656.60 = 384,173.20 : x
  2. Step 2: Convert to fraction form
    739,277.20/1,108,656.60 = 384,173.20/x
  3. Step 3: Cross multiply
    739,277.20x = 1,108,656.60 × 384,173.20
  4. Step 4: Simplify right side
    739,277.20x = 425,916,153,723.12
  5. Step 5: Solve for x
    x = 425,916,153,723.12/739,277.20
  6. Step 6: Final answer
    x = 576,125.10

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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.