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Finding the Fourth Proportional to 526,017.36, 726,167.93 and 345,006.66

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Solution

The fourth proportional to 526,017.36, 726,167.93 and 345,006.66 is: 476,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,017.36 : 726,167.93 = 345,006.66 : x
  2. Step 2: Convert to fraction form
    526,017.36/726,167.93 = 345,006.66/x
  3. Step 3: Cross multiply
    526,017.36x = 726,167.93 × 345,006.66
  4. Step 4: Simplify right side
    526,017.36x = 250,532,772,128.41
  5. Step 5: Solve for x
    x = 250,532,772,128.41/526,017.36
  6. Step 6: Final answer
    x = 476,282.33

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1.5x scale

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.