Home / 629,427.18-868,619.46-342,947.16

Finding the Fourth Proportional to 629,427.18, 868,619.46 and 342,947.16

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Solution

The fourth proportional to 629,427.18, 868,619.46 and 342,947.16 is: 473,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,427.18 : 868,619.46 = 342,947.16 : x
  2. Step 2: Convert to fraction form
    629,427.18/868,619.46 = 342,947.16/x
  3. Step 3: Cross multiply
    629,427.18x = 868,619.46 × 342,947.16
  4. Step 4: Simplify right side
    629,427.18x = 297,890,576,927.73
  5. Step 5: Solve for x
    x = 297,890,576,927.73/629,427.18
  6. Step 6: Final answer
    x = 473,272.50

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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.