Home / 771,026.90-1,064,500.11-495,496.49

Finding the Fourth Proportional to 771,026.90, 1,064,500.11 and 495,496.49

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Solution

The fourth proportional to 771,026.90, 1,064,500.11 and 495,496.49 is: 684,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,026.90 : 1,064,500.11 = 495,496.49 : x
  2. Step 2: Convert to fraction form
    771,026.90/1,064,500.11 = 495,496.49/x
  3. Step 3: Cross multiply
    771,026.90x = 1,064,500.11 × 495,496.49
  4. Step 4: Simplify right side
    771,026.90x = 527,456,068,109.61
  5. Step 5: Solve for x
    x = 527,456,068,109.61/771,026.90
  6. Step 6: Final answer
    x = 684,095.55

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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.