Home / 851,938.56-1,175,465.52-520,710.66

Finding the Fourth Proportional to 851,938.56, 1,175,465.52 and 520,710.66

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Solution

The fourth proportional to 851,938.56, 1,175,465.52 and 520,710.66 is: 718,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,938.56 : 1,175,465.52 = 520,710.66 : x
  2. Step 2: Convert to fraction form
    851,938.56/1,175,465.52 = 520,710.66/x
  3. Step 3: Cross multiply
    851,938.56x = 1,175,465.52 × 520,710.66
  4. Step 4: Simplify right side
    851,938.56x = 612,077,426,726.44
  5. Step 5: Solve for x
    x = 612,077,426,726.44/851,938.56
  6. Step 6: Final answer
    x = 718,452.55

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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.