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Finding the Fourth Proportional to 526,303.67, 726,297.77 and 284,585.49

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Solution

The fourth proportional to 526,303.67, 726,297.77 and 284,585.49 is: 392,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,303.67 : 726,297.77 = 284,585.49 : x
  2. Step 2: Convert to fraction form
    526,303.67/726,297.77 = 284,585.49/x
  3. Step 3: Cross multiply
    526,303.67x = 726,297.77 × 284,585.49
  4. Step 4: Simplify right side
    526,303.67x = 206,693,807,472.82
  5. Step 5: Solve for x
    x = 206,693,807,472.82/526,303.67
  6. Step 6: Final answer
    x = 392,727.28

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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.