Home / 771,029.91-1,064,504.25-495,499.50

Finding the Fourth Proportional to 771,029.91, 1,064,504.25 and 495,499.50

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Solution

The fourth proportional to 771,029.91, 1,064,504.25 and 495,499.50 is: 684,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,029.91 : 1,064,504.25 = 495,499.50 : x
  2. Step 2: Convert to fraction form
    771,029.91/1,064,504.25 = 495,499.50/x
  3. Step 3: Cross multiply
    771,029.91x = 1,064,504.25 × 495,499.50
  4. Step 4: Simplify right side
    771,029.91x = 527,461,323,622.88
  5. Step 5: Solve for x
    x = 527,461,323,622.88/771,029.91
  6. Step 6: Final answer
    x = 684,099.69

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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.