Home / 693,176.48-1,039,863.76-213,444.80

Finding the Fourth Proportional to 693,176.48, 1,039,863.76 and 213,444.80

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Solution

The fourth proportional to 693,176.48, 1,039,863.76 and 213,444.80 is: 320,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,176.48 : 1,039,863.76 = 213,444.80 : x
  2. Step 2: Convert to fraction form
    693,176.48/1,039,863.76 = 213,444.80/x
  3. Step 3: Cross multiply
    693,176.48x = 1,039,863.76 × 213,444.80
  4. Step 4: Simplify right side
    693,176.48x = 221,953,512,280.45
  5. Step 5: Solve for x
    x = 221,953,512,280.45/693,176.48
  6. Step 6: Final answer
    x = 320,197.70

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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.