Home / 752,649.45-1,038,618.30-446,739.18

Finding the Fourth Proportional to 752,649.45, 1,038,618.30 and 446,739.18

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Solution

The fourth proportional to 752,649.45, 1,038,618.30 and 446,739.18 is: 616,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,649.45 : 1,038,618.30 = 446,739.18 : x
  2. Step 2: Convert to fraction form
    752,649.45/1,038,618.30 = 446,739.18/x
  3. Step 3: Cross multiply
    752,649.45x = 1,038,618.30 × 446,739.18
  4. Step 4: Simplify right side
    752,649.45x = 463,991,487,674.99
  5. Step 5: Solve for x
    x = 463,991,487,674.99/752,649.45
  6. Step 6: Final answer
    x = 616,477.55

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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.