Home / 766,496.26-1,057,432.47-456,224.87

Finding the Fourth Proportional to 766,496.26, 1,057,432.47 and 456,224.87

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Solution

The fourth proportional to 766,496.26, 1,057,432.47 and 456,224.87 is: 629,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,496.26 : 1,057,432.47 = 456,224.87 : x
  2. Step 2: Convert to fraction form
    766,496.26/1,057,432.47 = 456,224.87/x
  3. Step 3: Cross multiply
    766,496.26x = 1,057,432.47 × 456,224.87
  4. Step 4: Simplify right side
    766,496.26x = 482,426,987,946.80
  5. Step 5: Solve for x
    x = 482,426,987,946.80/766,496.26
  6. Step 6: Final answer
    x = 629,392.49

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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.