Home / 950,322.78-1,311,539.40-542,485.98

Finding the Fourth Proportional to 950,322.78, 1,311,539.40 and 542,485.98

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Solution

The fourth proportional to 950,322.78, 1,311,539.40 and 542,485.98 is: 748,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,322.78 : 1,311,539.40 = 542,485.98 : x
  2. Step 2: Convert to fraction form
    950,322.78/1,311,539.40 = 542,485.98/x
  3. Step 3: Cross multiply
    950,322.78x = 1,311,539.40 × 542,485.98
  4. Step 4: Simplify right side
    950,322.78x = 711,491,736,717.61
  5. Step 5: Solve for x
    x = 711,491,736,717.61/950,322.78
  6. Step 6: Final answer
    x = 748,684.29

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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.