Home / 892,688.04-1,338,884.28-293,656.68

Finding the Fourth Proportional to 892,688.04, 1,338,884.28 and 293,656.68

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Solution

The fourth proportional to 892,688.04, 1,338,884.28 and 293,656.68 is: 440,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,688.04 : 1,338,884.28 = 293,656.68 : x
  2. Step 2: Convert to fraction form
    892,688.04/1,338,884.28 = 293,656.68/x
  3. Step 3: Cross multiply
    892,688.04x = 1,338,884.28 × 293,656.68
  4. Step 4: Simplify right side
    892,688.04x = 393,172,312,568.99
  5. Step 5: Solve for x
    x = 393,172,312,568.99/892,688.04
  6. Step 6: Final answer
    x = 440,436.41

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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.