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Finding the Fourth Proportional to 650,888.40, 898,122.36 and 364,420.56

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Solution

The fourth proportional to 650,888.40, 898,122.36 and 364,420.56 is: 502,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,888.40 : 898,122.36 = 364,420.56 : x
  2. Step 2: Convert to fraction form
    650,888.40/898,122.36 = 364,420.56/x
  3. Step 3: Cross multiply
    650,888.40x = 898,122.36 × 364,420.56
  4. Step 4: Simplify right side
    650,888.40x = 327,294,253,379.72
  5. Step 5: Solve for x
    x = 327,294,253,379.72/650,888.40
  6. Step 6: Final answer
    x = 502,842.35

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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.