Home / 716,999.28-1,075,320.36-218,356.08

Finding the Fourth Proportional to 716,999.28, 1,075,320.36 and 218,356.08

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Solution

The fourth proportional to 716,999.28, 1,075,320.36 and 218,356.08 is: 327,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,999.28 : 1,075,320.36 = 218,356.08 : x
  2. Step 2: Convert to fraction form
    716,999.28/1,075,320.36 = 218,356.08/x
  3. Step 3: Cross multiply
    716,999.28x = 1,075,320.36 × 218,356.08
  4. Step 4: Simplify right side
    716,999.28x = 234,802,738,553.79
  5. Step 5: Solve for x
    x = 234,802,738,553.79/716,999.28
  6. Step 6: Final answer
    x = 327,479.74

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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.