Home / 654,244.20-981,657.90-299,075.40

Finding the Fourth Proportional to 654,244.20, 981,657.90 and 299,075.40

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Solution

The fourth proportional to 654,244.20, 981,657.90 and 299,075.40 is: 448,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,244.20 : 981,657.90 = 299,075.40 : x
  2. Step 2: Convert to fraction form
    654,244.20/981,657.90 = 299,075.40/x
  3. Step 3: Cross multiply
    654,244.20x = 981,657.90 × 299,075.40
  4. Step 4: Simplify right side
    654,244.20x = 293,589,729,105.66
  5. Step 5: Solve for x
    x = 293,589,729,105.66/654,244.20
  6. Step 6: Final answer
    x = 448,746.40

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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.