Home / 869,632.05-1,304,458.12-262,425.63

Finding the Fourth Proportional to 869,632.05, 1,304,458.12 and 262,425.63

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Solution

The fourth proportional to 869,632.05, 1,304,458.12 and 262,425.63 is: 393,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,632.05 : 1,304,458.12 = 262,425.63 : x
  2. Step 2: Convert to fraction form
    869,632.05/1,304,458.12 = 262,425.63/x
  3. Step 3: Cross multiply
    869,632.05x = 1,304,458.12 × 262,425.63
  4. Step 4: Simplify right side
    869,632.05x = 342,323,243,949.62
  5. Step 5: Solve for x
    x = 342,323,243,949.62/869,632.05
  6. Step 6: Final answer
    x = 393,641.48

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Double scale
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1.5x scale

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.