Home / 739,280.20-1,108,661.10-384,176.20

Finding the Fourth Proportional to 739,280.20, 1,108,661.10 and 384,176.20

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Solution

The fourth proportional to 739,280.20, 1,108,661.10 and 384,176.20 is: 576,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,280.20 : 1,108,661.10 = 384,176.20 : x
  2. Step 2: Convert to fraction form
    739,280.20/1,108,661.10 = 384,176.20/x
  3. Step 3: Cross multiply
    739,280.20x = 1,108,661.10 × 384,176.20
  4. Step 4: Simplify right side
    739,280.20x = 425,921,208,485.82
  5. Step 5: Solve for x
    x = 425,921,208,485.82/739,280.20
  6. Step 6: Final answer
    x = 576,129.60

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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.