Home / 716,789.16-1,075,049.82-290,212.20

Finding the Fourth Proportional to 716,789.16, 1,075,049.82 and 290,212.20

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Solution

The fourth proportional to 716,789.16, 1,075,049.82 and 290,212.20 is: 435,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,789.16 : 1,075,049.82 = 290,212.20 : x
  2. Step 2: Convert to fraction form
    716,789.16/1,075,049.82 = 290,212.20/x
  3. Step 3: Cross multiply
    716,789.16x = 1,075,049.82 × 290,212.20
  4. Step 4: Simplify right side
    716,789.16x = 311,992,573,371.80
  5. Step 5: Solve for x
    x = 311,992,573,371.80/716,789.16
  6. Step 6: Final answer
    x = 435,264.08

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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.