Home / 879,536.50-1,319,238.51-280,473.46

Finding the Fourth Proportional to 879,536.50, 1,319,238.51 and 280,473.46

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Solution

The fourth proportional to 879,536.50, 1,319,238.51 and 280,473.46 is: 420,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,536.50 : 1,319,238.51 = 280,473.46 : x
  2. Step 2: Convert to fraction form
    879,536.50/1,319,238.51 = 280,473.46/x
  3. Step 3: Cross multiply
    879,536.50x = 1,319,238.51 × 280,473.46
  4. Step 4: Simplify right side
    879,536.50x = 370,011,389,464.95
  5. Step 5: Solve for x
    x = 370,011,389,464.95/879,536.50
  6. Step 6: Final answer
    x = 420,689.07

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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.