Home / 914,936.28-1,262,575.62-507,055.56

Finding the Fourth Proportional to 914,936.28, 1,262,575.62 and 507,055.56

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Solution

The fourth proportional to 914,936.28, 1,262,575.62 and 507,055.56 is: 699,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,936.28 : 1,262,575.62 = 507,055.56 : x
  2. Step 2: Convert to fraction form
    914,936.28/1,262,575.62 = 507,055.56/x
  3. Step 3: Cross multiply
    914,936.28x = 1,262,575.62 × 507,055.56
  4. Step 4: Simplify right side
    914,936.28x = 640,195,988,041.45
  5. Step 5: Solve for x
    x = 640,195,988,041.45/914,936.28
  6. Step 6: Final answer
    x = 699,716.47

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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.