Home / 757,479.48-1,045,320.96-417,947.76

Finding the Fourth Proportional to 757,479.48, 1,045,320.96 and 417,947.76

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Solution

The fourth proportional to 757,479.48, 1,045,320.96 and 417,947.76 is: 576,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,479.48 : 1,045,320.96 = 417,947.76 : x
  2. Step 2: Convert to fraction form
    757,479.48/1,045,320.96 = 417,947.76/x
  3. Step 3: Cross multiply
    757,479.48x = 1,045,320.96 × 417,947.76
  4. Step 4: Simplify right side
    757,479.48x = 436,889,553,713.05
  5. Step 5: Solve for x
    x = 436,889,553,713.05/757,479.48
  6. Step 6: Final answer
    x = 576,767.51

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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.