Home / 766,284.43-1,057,417.91-456,170.56

Finding the Fourth Proportional to 766,284.43, 1,057,417.91 and 456,170.56

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Solution

The fourth proportional to 766,284.43, 1,057,417.91 and 456,170.56 is: 629,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,284.43 : 1,057,417.91 = 456,170.56 : x
  2. Step 2: Convert to fraction form
    766,284.43/1,057,417.91 = 456,170.56/x
  3. Step 3: Cross multiply
    766,284.43x = 1,057,417.91 × 456,170.56
  4. Step 4: Simplify right side
    766,284.43x = 482,362,919,769.86
  5. Step 5: Solve for x
    x = 482,362,919,769.86/766,284.43
  6. Step 6: Final answer
    x = 629,482.87

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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.