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Finding the Fourth Proportional to 978,640.89, 1,468,094.73 and 568,502.88

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Solution

The fourth proportional to 978,640.89, 1,468,094.73 and 568,502.88 is: 852,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,640.89 : 1,468,094.73 = 568,502.88 : x
  2. Step 2: Convert to fraction form
    978,640.89/1,468,094.73 = 568,502.88/x
  3. Step 3: Cross multiply
    978,640.89x = 1,468,094.73 × 568,502.88
  4. Step 4: Simplify right side
    978,640.89x = 834,616,082,117.82
  5. Step 5: Solve for x
    x = 834,616,082,117.82/978,640.89
  6. Step 6: Final answer
    x = 852,831.81

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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.