Home / 691,574-1,037,769.36-292,189.04

Finding the Fourth Proportional to 691,574, 1,037,769.36 and 292,189.04

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Solution

The fourth proportional to 691,574, 1,037,769.36 and 292,189.04 is: 438,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,574 : 1,037,769.36 = 292,189.04 : x
  2. Step 2: Convert to fraction form
    691,574/1,037,769.36 = 292,189.04/x
  3. Step 3: Cross multiply
    691,574x = 1,037,769.36 × 292,189.04
  4. Step 4: Simplify right side
    691,574x = 303,224,833,039.81
  5. Step 5: Solve for x
    x = 303,224,833,039.81/691,574
  6. Step 6: Final answer
    x = 438,456.09

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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.