Home / 814,358.90-1,221,547.76-245,744.93

Finding the Fourth Proportional to 814,358.90, 1,221,547.76 and 245,744.93

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Solution

The fourth proportional to 814,358.90, 1,221,547.76 and 245,744.93 is: 368,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,358.90 : 1,221,547.76 = 245,744.93 : x
  2. Step 2: Convert to fraction form
    814,358.90/1,221,547.76 = 245,744.93/x
  3. Step 3: Cross multiply
    814,358.90x = 1,221,547.76 × 245,744.93
  4. Step 4: Simplify right side
    814,358.90x = 300,189,168,772.86
  5. Step 5: Solve for x
    x = 300,189,168,772.86/814,358.90
  6. Step 6: Final answer
    x = 368,620.23

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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.