Home / 985,783.13-1,360,380.78-533,074.13

Finding the Fourth Proportional to 985,783.13, 1,360,380.78 and 533,074.13

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Solution

The fourth proportional to 985,783.13, 1,360,380.78 and 533,074.13 is: 735,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,783.13 : 1,360,380.78 = 533,074.13 : x
  2. Step 2: Convert to fraction form
    985,783.13/1,360,380.78 = 533,074.13/x
  3. Step 3: Cross multiply
    985,783.13x = 1,360,380.78 × 533,074.13
  4. Step 4: Simplify right side
    985,783.13x = 725,183,793,965.32
  5. Step 5: Solve for x
    x = 725,183,793,965.32/985,783.13
  6. Step 6: Final answer
    x = 735,642.33

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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.