Home / 761,086.26-1,050,299.02-421,576.38

Finding the Fourth Proportional to 761,086.26, 1,050,299.02 and 421,576.38

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Solution

The fourth proportional to 761,086.26, 1,050,299.02 and 421,576.38 is: 581,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,086.26 : 1,050,299.02 = 421,576.38 : x
  2. Step 2: Convert to fraction form
    761,086.26/1,050,299.02 = 421,576.38/x
  3. Step 3: Cross multiply
    761,086.26x = 1,050,299.02 × 421,576.38
  4. Step 4: Simplify right side
    761,086.26x = 442,781,258,769.15
  5. Step 5: Solve for x
    x = 442,781,258,769.15/761,086.26
  6. Step 6: Final answer
    x = 581,775.39

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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.