Home / 578,839.18-867,795.09-275,080.89

Finding the Fourth Proportional to 578,839.18, 867,795.09 and 275,080.89

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Solution

The fourth proportional to 578,839.18, 867,795.09 and 275,080.89 is: 412,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,839.18 : 867,795.09 = 275,080.89 : x
  2. Step 2: Convert to fraction form
    578,839.18/867,795.09 = 275,080.89/x
  3. Step 3: Cross multiply
    578,839.18x = 867,795.09 × 275,080.89
  4. Step 4: Simplify right side
    578,839.18x = 238,713,844,319.43
  5. Step 5: Solve for x
    x = 238,713,844,319.43/578,839.18
  6. Step 6: Final answer
    x = 412,400.98

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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.