Home / 910,274.14-1,358,489.65-809,386.01

Finding the Fourth Proportional to 910,274.14, 1,358,489.65 and 809,386.01

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Solution

The fourth proportional to 910,274.14, 1,358,489.65 and 809,386.01 is: 1,207,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,274.14 : 1,358,489.65 = 809,386.01 : x
  2. Step 2: Convert to fraction form
    910,274.14/1,358,489.65 = 809,386.01/x
  3. Step 3: Cross multiply
    910,274.14x = 1,358,489.65 × 809,386.01
  4. Step 4: Simplify right side
    910,274.14x = 1,099,542,508,623.88
  5. Step 5: Solve for x
    x = 1,099,542,508,623.88/910,274.14
  6. Step 6: Final answer
    x = 1,207,924.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.