Home / 703,519.20-1,054,501.20-388,202.40

Finding the Fourth Proportional to 703,519.20, 1,054,501.20 and 388,202.40

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Solution

The fourth proportional to 703,519.20, 1,054,501.20 and 388,202.40 is: 581,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,519.20 : 1,054,501.20 = 388,202.40 : x
  2. Step 2: Convert to fraction form
    703,519.20/1,054,501.20 = 388,202.40/x
  3. Step 3: Cross multiply
    703,519.20x = 1,054,501.20 × 388,202.40
  4. Step 4: Simplify right side
    703,519.20x = 409,359,896,642.88
  5. Step 5: Solve for x
    x = 409,359,896,642.88/703,519.20
  6. Step 6: Final answer
    x = 581,874.52

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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.