Home / 876,209.40-1,314,226.62-245,128.68

Finding the Fourth Proportional to 876,209.40, 1,314,226.62 and 245,128.68

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Solution

The fourth proportional to 876,209.40, 1,314,226.62 and 245,128.68 is: 367,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,209.40 : 1,314,226.62 = 245,128.68 : x
  2. Step 2: Convert to fraction form
    876,209.40/1,314,226.62 = 245,128.68/x
  3. Step 3: Cross multiply
    876,209.40x = 1,314,226.62 × 245,128.68
  4. Step 4: Simplify right side
    876,209.40x = 322,154,636,581.46
  5. Step 5: Solve for x
    x = 322,154,636,581.46/876,209.40
  6. Step 6: Final answer
    x = 367,668.55

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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.