Home / 887,873.55-1,331,822.63-288,837.82

Finding the Fourth Proportional to 887,873.55, 1,331,822.63 and 288,837.82

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Solution

The fourth proportional to 887,873.55, 1,331,822.63 and 288,837.82 is: 433,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,873.55 : 1,331,822.63 = 288,837.82 : x
  2. Step 2: Convert to fraction form
    887,873.55/1,331,822.63 = 288,837.82/x
  3. Step 3: Cross multiply
    887,873.55x = 1,331,822.63 × 288,837.82
  4. Step 4: Simplify right side
    887,873.55x = 384,680,745,075.87
  5. Step 5: Solve for x
    x = 384,680,745,075.87/887,873.55
  6. Step 6: Final answer
    x = 433,260.73

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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.