Home / 760,569.95-1,140,780.66-199,604.45

Finding the Fourth Proportional to 760,569.95, 1,140,780.66 and 199,604.45

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Solution

The fourth proportional to 760,569.95, 1,140,780.66 and 199,604.45 is: 299,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,569.95 : 1,140,780.66 = 199,604.45 : x
  2. Step 2: Convert to fraction form
    760,569.95/1,140,780.66 = 199,604.45/x
  3. Step 3: Cross multiply
    760,569.95x = 1,140,780.66 × 199,604.45
  4. Step 4: Simplify right side
    760,569.95x = 227,704,899,436.15
  5. Step 5: Solve for x
    x = 227,704,899,436.15/760,569.95
  6. Step 6: Final answer
    x = 299,387.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.