Home / 887,860.23-1,331,802.63-288,824.52

Finding the Fourth Proportional to 887,860.23, 1,331,802.63 and 288,824.52

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Solution

The fourth proportional to 887,860.23, 1,331,802.63 and 288,824.52 is: 433,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,860.23 : 1,331,802.63 = 288,824.52 : x
  2. Step 2: Convert to fraction form
    887,860.23/1,331,802.63 = 288,824.52/x
  3. Step 3: Cross multiply
    887,860.23x = 1,331,802.63 × 288,824.52
  4. Step 4: Simplify right side
    887,860.23x = 384,657,255,344.49
  5. Step 5: Solve for x
    x = 384,657,255,344.49/887,860.23
  6. Step 6: Final answer
    x = 433,240.78

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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.