Home / 578,723.04-867,384.72-298,087.20

Finding the Fourth Proportional to 578,723.04, 867,384.72 and 298,087.20

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Solution

The fourth proportional to 578,723.04, 867,384.72 and 298,087.20 is: 446,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,723.04 : 867,384.72 = 298,087.20 : x
  2. Step 2: Convert to fraction form
    578,723.04/867,384.72 = 298,087.20/x
  3. Step 3: Cross multiply
    578,723.04x = 867,384.72 × 298,087.20
  4. Step 4: Simplify right side
    578,723.04x = 258,556,282,507.58
  5. Step 5: Solve for x
    x = 258,556,282,507.58/578,723.04
  6. Step 6: Final answer
    x = 446,770.33

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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.