Home / 784,377.29-1,082,419.65-444,838.25

Finding the Fourth Proportional to 784,377.29, 1,082,419.65 and 444,838.25

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Solution

The fourth proportional to 784,377.29, 1,082,419.65 and 444,838.25 is: 613,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,377.29 : 1,082,419.65 = 444,838.25 : x
  2. Step 2: Convert to fraction form
    784,377.29/1,082,419.65 = 444,838.25/x
  3. Step 3: Cross multiply
    784,377.29x = 1,082,419.65 × 444,838.25
  4. Step 4: Simplify right side
    784,377.29x = 481,501,662,871.61
  5. Step 5: Solve for x
    x = 481,501,662,871.61/784,377.29
  6. Step 6: Final answer
    x = 613,864.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.