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Finding the Fourth Proportional to 592,783.83, 818,044.16 and 320,851.62

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Solution

The fourth proportional to 592,783.83, 818,044.16 and 320,851.62 is: 442,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,783.83 : 818,044.16 = 320,851.62 : x
  2. Step 2: Convert to fraction form
    592,783.83/818,044.16 = 320,851.62/x
  3. Step 3: Cross multiply
    592,783.83x = 818,044.16 × 320,851.62
  4. Step 4: Simplify right side
    592,783.83x = 262,470,792,363.28
  5. Step 5: Solve for x
    x = 262,470,792,363.28/592,783.83
  6. Step 6: Final answer
    x = 442,776.57

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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.