Home / 938,045.79-1,407,053.84-298,340.30

Finding the Fourth Proportional to 938,045.79, 1,407,053.84 and 298,340.30

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Solution

The fourth proportional to 938,045.79, 1,407,053.84 and 298,340.30 is: 447,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,045.79 : 1,407,053.84 = 298,340.30 : x
  2. Step 2: Convert to fraction form
    938,045.79/1,407,053.84 = 298,340.30/x
  3. Step 3: Cross multiply
    938,045.79x = 1,407,053.84 × 298,340.30
  4. Step 4: Simplify right side
    938,045.79x = 419,780,866,767.69
  5. Step 5: Solve for x
    x = 419,780,866,767.69/938,045.79
  6. Step 6: Final answer
    x = 447,505.73

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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.