Home / 816,210.15-1,224,327.38-283,749.36

Finding the Fourth Proportional to 816,210.15, 1,224,327.38 and 283,749.36

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Solution

The fourth proportional to 816,210.15, 1,224,327.38 and 283,749.36 is: 425,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,210.15 : 1,224,327.38 = 283,749.36 : x
  2. Step 2: Convert to fraction form
    816,210.15/1,224,327.38 = 283,749.36/x
  3. Step 3: Cross multiply
    816,210.15x = 1,224,327.38 × 283,749.36
  4. Step 4: Simplify right side
    816,210.15x = 347,402,109,086.73
  5. Step 5: Solve for x
    x = 347,402,109,086.73/816,210.15
  6. Step 6: Final answer
    x = 425,628.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.