Home / 761,052.07-1,050,194.05-421,513.03

Finding the Fourth Proportional to 761,052.07, 1,050,194.05 and 421,513.03

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Solution

The fourth proportional to 761,052.07, 1,050,194.05 and 421,513.03 is: 581,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,052.07 : 1,050,194.05 = 421,513.03 : x
  2. Step 2: Convert to fraction form
    761,052.07/1,050,194.05 = 421,513.03/x
  3. Step 3: Cross multiply
    761,052.07x = 1,050,194.05 × 421,513.03
  4. Step 4: Simplify right side
    761,052.07x = 442,670,476,103.47
  5. Step 5: Solve for x
    x = 442,670,476,103.47/761,052.07
  6. Step 6: Final answer
    x = 581,655.96

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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.