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Finding the Fourth Proportional to 504,877.93, 699,679.10 and 495,297.50

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Solution

The fourth proportional to 504,877.93, 699,679.10 and 495,297.50 is: 686,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,877.93 : 699,679.10 = 495,297.50 : x
  2. Step 2: Convert to fraction form
    504,877.93/699,679.10 = 495,297.50/x
  3. Step 3: Cross multiply
    504,877.93x = 699,679.10 × 495,297.50
  4. Step 4: Simplify right side
    504,877.93x = 346,549,306,772.10
  5. Step 5: Solve for x
    x = 346,549,306,772.10/504,877.93
  6. Step 6: Final answer
    x = 686,402.17

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.