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Finding the Fourth Proportional to 495,898.93, 684,327 and 281,058.94

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Solution

The fourth proportional to 495,898.93, 684,327 and 281,058.94 is: 387,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,898.93 : 684,327 = 281,058.94 : x
  2. Step 2: Convert to fraction form
    495,898.93/684,327 = 281,058.94/x
  3. Step 3: Cross multiply
    495,898.93x = 684,327 × 281,058.94
  4. Step 4: Simplify right side
    495,898.93x = 192,336,221,233.38
  5. Step 5: Solve for x
    x = 192,336,221,233.38/495,898.93
  6. Step 6: Final answer
    x = 387,853.67

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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.