Home / 558,281.16-770,431.64-303,634.20

Finding the Fourth Proportional to 558,281.16, 770,431.64 and 303,634.20

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Solution

The fourth proportional to 558,281.16, 770,431.64 and 303,634.20 is: 419,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,281.16 : 770,431.64 = 303,634.20 : x
  2. Step 2: Convert to fraction form
    558,281.16/770,431.64 = 303,634.20/x
  3. Step 3: Cross multiply
    558,281.16x = 770,431.64 × 303,634.20
  4. Step 4: Simplify right side
    558,281.16x = 233,929,394,666.09
  5. Step 5: Solve for x
    x = 233,929,394,666.09/558,281.16
  6. Step 6: Final answer
    x = 419,017.18

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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.