Home / 877,468.01-1,316,035.55-427,736.57

Finding the Fourth Proportional to 877,468.01, 1,316,035.55 and 427,736.57

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Solution

The fourth proportional to 877,468.01, 1,316,035.55 and 427,736.57 is: 641,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,468.01 : 1,316,035.55 = 427,736.57 : x
  2. Step 2: Convert to fraction form
    877,468.01/1,316,035.55 = 427,736.57/x
  3. Step 3: Cross multiply
    877,468.01x = 1,316,035.55 × 427,736.57
  4. Step 4: Simplify right side
    877,468.01x = 562,916,526,644.23
  5. Step 5: Solve for x
    x = 562,916,526,644.23/877,468.01
  6. Step 6: Final answer
    x = 641,523.71

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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.