Home / 805,433.11-1,210,364.02-752,768.78

Finding the Fourth Proportional to 805,433.11, 1,210,364.02 and 752,768.78

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Solution

The fourth proportional to 805,433.11, 1,210,364.02 and 752,768.78 is: 1,131,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,433.11 : 1,210,364.02 = 752,768.78 : x
  2. Step 2: Convert to fraction form
    805,433.11/1,210,364.02 = 752,768.78/x
  3. Step 3: Cross multiply
    805,433.11x = 1,210,364.02 × 752,768.78
  4. Step 4: Simplify right side
    805,433.11x = 911,124,242,452.34
  5. Step 5: Solve for x
    x = 911,124,242,452.34/805,433.11
  6. Step 6: Final answer
    x = 1,131,222.74

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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.