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Finding the Fourth Proportional to 707,590.36, 976,474.02 and 385,302.76

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Solution

The fourth proportional to 707,590.36, 976,474.02 and 385,302.76 is: 531,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,590.36 : 976,474.02 = 385,302.76 : x
  2. Step 2: Convert to fraction form
    707,590.36/976,474.02 = 385,302.76/x
  3. Step 3: Cross multiply
    707,590.36x = 976,474.02 × 385,302.76
  4. Step 4: Simplify right side
    707,590.36x = 376,238,134,974.30
  5. Step 5: Solve for x
    x = 376,238,134,974.30/707,590.36
  6. Step 6: Final answer
    x = 531,717.44

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1.5x scale

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.