Home / 739,041.64-1,019,877.06-399,510.52

Finding the Fourth Proportional to 739,041.64, 1,019,877.06 and 399,510.52

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Solution

The fourth proportional to 739,041.64, 1,019,877.06 and 399,510.52 is: 551,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,041.64 : 1,019,877.06 = 399,510.52 : x
  2. Step 2: Convert to fraction form
    739,041.64/1,019,877.06 = 399,510.52/x
  3. Step 3: Cross multiply
    739,041.64x = 1,019,877.06 × 399,510.52
  4. Step 4: Simplify right side
    739,041.64x = 407,451,614,576.67
  5. Step 5: Solve for x
    x = 407,451,614,576.67/739,041.64
  6. Step 6: Final answer
    x = 551,324.30

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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.