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Finding the Fourth Proportional to 707,479.93, 976,427.04 and 417,144.73

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Solution

The fourth proportional to 707,479.93, 976,427.04 and 417,144.73 is: 575,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,479.93 : 976,427.04 = 417,144.73 : x
  2. Step 2: Convert to fraction form
    707,479.93/976,427.04 = 417,144.73/x
  3. Step 3: Cross multiply
    707,479.93x = 976,427.04 × 417,144.73
  4. Step 4: Simplify right side
    707,479.93x = 407,311,393,965.50
  5. Step 5: Solve for x
    x = 407,311,393,965.50/707,479.93
  6. Step 6: Final answer
    x = 575,721.48

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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.