Home / 780,501.76-1,077,266.33-474,513.46

Finding the Fourth Proportional to 780,501.76, 1,077,266.33 and 474,513.46

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Solution

The fourth proportional to 780,501.76, 1,077,266.33 and 474,513.46 is: 654,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,501.76 : 1,077,266.33 = 474,513.46 : x
  2. Step 2: Convert to fraction form
    780,501.76/1,077,266.33 = 474,513.46/x
  3. Step 3: Cross multiply
    780,501.76x = 1,077,266.33 × 474,513.46
  4. Step 4: Simplify right side
    780,501.76x = 511,177,373,589.80
  5. Step 5: Solve for x
    x = 511,177,373,589.80/780,501.76
  6. Step 6: Final answer
    x = 654,934.30

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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.