Home / 877,930.25-1,316,758.01-278,812.53

Finding the Fourth Proportional to 877,930.25, 1,316,758.01 and 278,812.53

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Solution

The fourth proportional to 877,930.25, 1,316,758.01 and 278,812.53 is: 418,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,930.25 : 1,316,758.01 = 278,812.53 : x
  2. Step 2: Convert to fraction form
    877,930.25/1,316,758.01 = 278,812.53/x
  3. Step 3: Cross multiply
    877,930.25x = 1,316,758.01 × 278,812.53
  4. Step 4: Simplify right side
    877,930.25x = 367,128,630,771.80
  5. Step 5: Solve for x
    x = 367,128,630,771.80/877,930.25
  6. Step 6: Final answer
    x = 418,175.17

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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.