Home / 761,109.88-1,050,366.26-421,578.13

Finding the Fourth Proportional to 761,109.88, 1,050,366.26 and 421,578.13

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Solution

The fourth proportional to 761,109.88, 1,050,366.26 and 421,578.13 is: 581,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,109.88 : 1,050,366.26 = 421,578.13 : x
  2. Step 2: Convert to fraction form
    761,109.88/1,050,366.26 = 421,578.13/x
  3. Step 3: Cross multiply
    761,109.88x = 1,050,366.26 × 421,578.13
  4. Step 4: Simplify right side
    761,109.88x = 442,811,443,705.89
  5. Step 5: Solve for x
    x = 442,811,443,705.89/761,109.88
  6. Step 6: Final answer
    x = 581,797.00

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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.