Home / 648,344.03-894,726.24-357,989.70

Finding the Fourth Proportional to 648,344.03, 894,726.24 and 357,989.70

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Solution

The fourth proportional to 648,344.03, 894,726.24 and 357,989.70 is: 494,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,344.03 : 894,726.24 = 357,989.70 : x
  2. Step 2: Convert to fraction form
    648,344.03/894,726.24 = 357,989.70/x
  3. Step 3: Cross multiply
    648,344.03x = 894,726.24 × 357,989.70
  4. Step 4: Simplify right side
    648,344.03x = 320,302,778,239.73
  5. Step 5: Solve for x
    x = 320,302,778,239.73/648,344.03
  6. Step 6: Final answer
    x = 494,032.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.