Home / 877,034.28-1,210,306.82-495,064.36

Finding the Fourth Proportional to 877,034.28, 1,210,306.82 and 495,064.36

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Solution

The fourth proportional to 877,034.28, 1,210,306.82 and 495,064.36 is: 683,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,034.28 : 1,210,306.82 = 495,064.36 : x
  2. Step 2: Convert to fraction form
    877,034.28/1,210,306.82 = 495,064.36/x
  3. Step 3: Cross multiply
    877,034.28x = 1,210,306.82 × 495,064.36
  4. Step 4: Simplify right side
    877,034.28x = 599,179,771,246.94
  5. Step 5: Solve for x
    x = 599,179,771,246.94/877,034.28
  6. Step 6: Final answer
    x = 683,188.54

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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.