Home / 767,774.47-1,059,868.56-495,974.92

Finding the Fourth Proportional to 767,774.47, 1,059,868.56 and 495,974.92

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Solution

The fourth proportional to 767,774.47, 1,059,868.56 and 495,974.92 is: 684,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,774.47 : 1,059,868.56 = 495,974.92 : x
  2. Step 2: Convert to fraction form
    767,774.47/1,059,868.56 = 495,974.92/x
  3. Step 3: Cross multiply
    767,774.47x = 1,059,868.56 × 495,974.92
  4. Step 4: Simplify right side
    767,774.47x = 525,668,224,256.52
  5. Step 5: Solve for x
    x = 525,668,224,256.52/767,774.47
  6. Step 6: Final answer
    x = 684,664.89

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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.