Home / 694,209.40-1,041,702.90-294,782.20

Finding the Fourth Proportional to 694,209.40, 1,041,702.90 and 294,782.20

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Solution

The fourth proportional to 694,209.40, 1,041,702.90 and 294,782.20 is: 442,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,209.40 : 1,041,702.90 = 294,782.20 : x
  2. Step 2: Convert to fraction form
    694,209.40/1,041,702.90 = 294,782.20/x
  3. Step 3: Cross multiply
    694,209.40x = 1,041,702.90 × 294,782.20
  4. Step 4: Simplify right side
    694,209.40x = 307,075,472,608.38
  5. Step 5: Solve for x
    x = 307,075,472,608.38/694,209.40
  6. Step 6: Final answer
    x = 442,338.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.