Home / 771,024.90-1,064,497.35-495,494.49

Finding the Fourth Proportional to 771,024.90, 1,064,497.35 and 495,494.49

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Solution

The fourth proportional to 771,024.90, 1,064,497.35 and 495,494.49 is: 684,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,024.90 : 1,064,497.35 = 495,494.49 : x
  2. Step 2: Convert to fraction form
    771,024.90/1,064,497.35 = 495,494.49/x
  3. Step 3: Cross multiply
    771,024.90x = 1,064,497.35 × 495,494.49
  4. Step 4: Simplify right side
    771,024.90x = 527,452,571,544.60
  5. Step 5: Solve for x
    x = 527,452,571,544.60/771,024.90
  6. Step 6: Final answer
    x = 684,092.79

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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.