Home / 761,252.68-1,050,443.94-421,635.88

Finding the Fourth Proportional to 761,252.68, 1,050,443.94 and 421,635.88

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Solution

The fourth proportional to 761,252.68, 1,050,443.94 and 421,635.88 is: 581,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,252.68 : 1,050,443.94 = 421,635.88 : x
  2. Step 2: Convert to fraction form
    761,252.68/1,050,443.94 = 421,635.88/x
  3. Step 3: Cross multiply
    761,252.68x = 1,050,443.94 × 421,635.88
  4. Step 4: Simplify right side
    761,252.68x = 442,904,855,032.57
  5. Step 5: Solve for x
    x = 442,904,855,032.57/761,252.68
  6. Step 6: Final answer
    x = 581,810.57

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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.