Home / 914,959.32-1,262,625-507,057.96

Finding the Fourth Proportional to 914,959.32, 1,262,625 and 507,057.96

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Solution

The fourth proportional to 914,959.32, 1,262,625 and 507,057.96 is: 699,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,959.32 : 1,262,625 = 507,057.96 : x
  2. Step 2: Convert to fraction form
    914,959.32/1,262,625 = 507,057.96/x
  3. Step 3: Cross multiply
    914,959.32x = 1,262,625 × 507,057.96
  4. Step 4: Simplify right side
    914,959.32x = 640,224,056,745
  5. Step 5: Solve for x
    x = 640,224,056,745/914,959.32
  6. Step 6: Final answer
    x = 699,729.53

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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.