Home / 739,031.01-1,019,864.28-399,499.26

Finding the Fourth Proportional to 739,031.01, 1,019,864.28 and 399,499.26

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Solution

The fourth proportional to 739,031.01, 1,019,864.28 and 399,499.26 is: 551,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,031.01 : 1,019,864.28 = 399,499.26 : x
  2. Step 2: Convert to fraction form
    739,031.01/1,019,864.28 = 399,499.26/x
  3. Step 3: Cross multiply
    739,031.01x = 1,019,864.28 × 399,499.26
  4. Step 4: Simplify right side
    739,031.01x = 407,435,022,834.06
  5. Step 5: Solve for x
    x = 407,435,022,834.06/739,031.01
  6. Step 6: Final answer
    x = 551,309.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.