Home / 944,489.80-1,416,734.70-313,424.20

Finding the Fourth Proportional to 944,489.80, 1,416,734.70 and 313,424.20

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Solution

The fourth proportional to 944,489.80, 1,416,734.70 and 313,424.20 is: 470,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,489.80 : 1,416,734.70 = 313,424.20 : x
  2. Step 2: Convert to fraction form
    944,489.80/1,416,734.70 = 313,424.20/x
  3. Step 3: Cross multiply
    944,489.80x = 1,416,734.70 × 313,424.20
  4. Step 4: Simplify right side
    944,489.80x = 444,038,939,959.74
  5. Step 5: Solve for x
    x = 444,038,939,959.74/944,489.80
  6. Step 6: Final answer
    x = 470,136.30

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1.5x scale

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.