Home / 739,282.40-1,108,923.60-403,359.20

Finding the Fourth Proportional to 739,282.40, 1,108,923.60 and 403,359.20

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Solution

The fourth proportional to 739,282.40, 1,108,923.60 and 403,359.20 is: 605,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,282.40 : 1,108,923.60 = 403,359.20 : x
  2. Step 2: Convert to fraction form
    739,282.40/1,108,923.60 = 403,359.20/x
  3. Step 3: Cross multiply
    739,282.40x = 1,108,923.60 × 403,359.20
  4. Step 4: Simplify right side
    739,282.40x = 447,294,536,157.12
  5. Step 5: Solve for x
    x = 447,294,536,157.12/739,282.40
  6. Step 6: Final answer
    x = 605,038.80

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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.