Home / 578,482.27-868,283.14-279,173.55

Finding the Fourth Proportional to 578,482.27, 868,283.14 and 279,173.55

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Solution

The fourth proportional to 578,482.27, 868,283.14 and 279,173.55 is: 419,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,482.27 : 868,283.14 = 279,173.55 : x
  2. Step 2: Convert to fraction form
    578,482.27/868,283.14 = 279,173.55/x
  3. Step 3: Cross multiply
    578,482.27x = 868,283.14 × 279,173.55
  4. Step 4: Simplify right side
    578,482.27x = 242,401,686,598.95
  5. Step 5: Solve for x
    x = 242,401,686,598.95/578,482.27
  6. Step 6: Final answer
    x = 419,030.45

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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.