Home / 707,330.06-976,115.58-385,042.58

Finding the Fourth Proportional to 707,330.06, 976,115.58 and 385,042.58

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Solution

The fourth proportional to 707,330.06, 976,115.58 and 385,042.58 is: 531,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,330.06 : 976,115.58 = 385,042.58 : x
  2. Step 2: Convert to fraction form
    707,330.06/976,115.58 = 385,042.58/x
  3. Step 3: Cross multiply
    707,330.06x = 976,115.58 × 385,042.58
  4. Step 4: Simplify right side
    707,330.06x = 375,846,056,420.82
  5. Step 5: Solve for x
    x = 375,846,056,420.82/707,330.06
  6. Step 6: Final answer
    x = 531,358.81

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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.