Home / 696,402.78-1,044,754.56-216,621.44

Finding the Fourth Proportional to 696,402.78, 1,044,754.56 and 216,621.44

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Solution

The fourth proportional to 696,402.78, 1,044,754.56 and 216,621.44 is: 324,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,402.78 : 1,044,754.56 = 216,621.44 : x
  2. Step 2: Convert to fraction form
    696,402.78/1,044,754.56 = 216,621.44/x
  3. Step 3: Cross multiply
    696,402.78x = 1,044,754.56 × 216,621.44
  4. Step 4: Simplify right side
    696,402.78x = 226,316,237,233.77
  5. Step 5: Solve for x
    x = 226,316,237,233.77/696,402.78
  6. Step 6: Final answer
    x = 324,978.94

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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.