Home / 761,055.75-1,050,290.35-421,524

Finding the Fourth Proportional to 761,055.75, 1,050,290.35 and 421,524

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Solution

The fourth proportional to 761,055.75, 1,050,290.35 and 421,524 is: 581,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,055.75 : 1,050,290.35 = 421,524 : x
  2. Step 2: Convert to fraction form
    761,055.75/1,050,290.35 = 421,524/x
  3. Step 3: Cross multiply
    761,055.75x = 1,050,290.35 × 421,524
  4. Step 4: Simplify right side
    761,055.75x = 442,722,588,439.59
  5. Step 5: Solve for x
    x = 442,722,588,439.59/761,055.75
  6. Step 6: Final answer
    x = 581,721.63

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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.