Home / 887,857.91-1,331,799.17-288,822.21

Finding the Fourth Proportional to 887,857.91, 1,331,799.17 and 288,822.21

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Solution

The fourth proportional to 887,857.91, 1,331,799.17 and 288,822.21 is: 433,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,857.91 : 1,331,799.17 = 288,822.21 : x
  2. Step 2: Convert to fraction form
    887,857.91/1,331,799.17 = 288,822.21/x
  3. Step 3: Cross multiply
    887,857.91x = 1,331,799.17 × 288,822.21
  4. Step 4: Simplify right side
    887,857.91x = 384,653,173,117.21
  5. Step 5: Solve for x
    x = 384,653,173,117.21/887,857.91
  6. Step 6: Final answer
    x = 433,237.31

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1.5x scale

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.