Home / 662,040.40-913,494.88-432,536.64

Finding the Fourth Proportional to 662,040.40, 913,494.88 and 432,536.64

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Solution

The fourth proportional to 662,040.40, 913,494.88 and 432,536.64 is: 596,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,040.40 : 913,494.88 = 432,536.64 : x
  2. Step 2: Convert to fraction form
    662,040.40/913,494.88 = 432,536.64/x
  3. Step 3: Cross multiply
    662,040.40x = 913,494.88 × 432,536.64
  4. Step 4: Simplify right side
    662,040.40x = 395,120,006,052.40
  5. Step 5: Solve for x
    x = 395,120,006,052.40/662,040.40
  6. Step 6: Final answer
    x = 596,821.59

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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.