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Finding the Fourth Proportional to 526,807.24, 726,726.03 and 320,020.67

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Solution

The fourth proportional to 526,807.24, 726,726.03 and 320,020.67 is: 441,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,807.24 : 726,726.03 = 320,020.67 : x
  2. Step 2: Convert to fraction form
    526,807.24/726,726.03 = 320,020.67/x
  3. Step 3: Cross multiply
    526,807.24x = 726,726.03 × 320,020.67
  4. Step 4: Simplify right side
    526,807.24x = 232,567,351,027.04
  5. Step 5: Solve for x
    x = 232,567,351,027.04/526,807.24
  6. Step 6: Final answer
    x = 441,465.75

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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.