Home / 739,163.70-1,020,043.29-416,871.90

Finding the Fourth Proportional to 739,163.70, 1,020,043.29 and 416,871.90

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Solution

The fourth proportional to 739,163.70, 1,020,043.29 and 416,871.90 is: 575,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,163.70 : 1,020,043.29 = 416,871.90 : x
  2. Step 2: Convert to fraction form
    739,163.70/1,020,043.29 = 416,871.90/x
  3. Step 3: Cross multiply
    739,163.70x = 1,020,043.29 × 416,871.90
  4. Step 4: Simplify right side
    739,163.70x = 425,227,384,384.55
  5. Step 5: Solve for x
    x = 425,227,384,384.55/739,163.70
  6. Step 6: Final answer
    x = 575,281.75

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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.