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Finding the Fourth Proportional to 704,898.18, 972,733.32 and 382,601.34

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Solution

The fourth proportional to 704,898.18, 972,733.32 and 382,601.34 is: 527,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,898.18 : 972,733.32 = 382,601.34 : x
  2. Step 2: Convert to fraction form
    704,898.18/972,733.32 = 382,601.34/x
  3. Step 3: Cross multiply
    704,898.18x = 972,733.32 × 382,601.34
  4. Step 4: Simplify right side
    704,898.18x = 372,169,071,694.65
  5. Step 5: Solve for x
    x = 372,169,071,694.65/704,898.18
  6. Step 6: Final answer
    x = 527,975.65

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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.