Home / 739,269.10-1,108,903.65-403,345.90

Finding the Fourth Proportional to 739,269.10, 1,108,903.65 and 403,345.90

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Solution

The fourth proportional to 739,269.10, 1,108,903.65 and 403,345.90 is: 605,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,269.10 : 1,108,903.65 = 403,345.90 : x
  2. Step 2: Convert to fraction form
    739,269.10/1,108,903.65 = 403,345.90/x
  3. Step 3: Cross multiply
    739,269.10x = 1,108,903.65 × 403,345.90
  4. Step 4: Simplify right side
    739,269.10x = 447,271,740,722.54
  5. Step 5: Solve for x
    x = 447,271,740,722.54/739,269.10
  6. Step 6: Final answer
    x = 605,018.85

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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.