Home / 761,107.88-1,050,363.50-421,576.13

Finding the Fourth Proportional to 761,107.88, 1,050,363.50 and 421,576.13

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Solution

The fourth proportional to 761,107.88, 1,050,363.50 and 421,576.13 is: 581,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,107.88 : 1,050,363.50 = 421,576.13 : x
  2. Step 2: Convert to fraction form
    761,107.88/1,050,363.50 = 421,576.13/x
  3. Step 3: Cross multiply
    761,107.88x = 1,050,363.50 × 421,576.13
  4. Step 4: Simplify right side
    761,107.88x = 442,808,172,063.56
  5. Step 5: Solve for x
    x = 442,808,172,063.56/761,107.88
  6. Step 6: Final answer
    x = 581,794.23

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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.