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Finding the Fourth Proportional to 771,029.40, 1,064,503.56 and 495,499

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Solution

The fourth proportional to 771,029.40, 1,064,503.56 and 495,499 is: 684,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,029.40 : 1,064,503.56 = 495,499 : x
  2. Step 2: Convert to fraction form
    771,029.40/1,064,503.56 = 495,499/x
  3. Step 3: Cross multiply
    771,029.40x = 1,064,503.56 × 495,499
  4. Step 4: Simplify right side
    771,029.40x = 527,460,449,476.44
  5. Step 5: Solve for x
    x = 527,460,449,476.44/771,029.40
  6. Step 6: Final answer
    x = 684,099.01

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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.