Home / 707,266.90-976,054.07-384,961.42

Finding the Fourth Proportional to 707,266.90, 976,054.07 and 384,961.42

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Solution

The fourth proportional to 707,266.90, 976,054.07 and 384,961.42 is: 531,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,266.90 : 976,054.07 = 384,961.42 : x
  2. Step 2: Convert to fraction form
    707,266.90/976,054.07 = 384,961.42/x
  3. Step 3: Cross multiply
    707,266.90x = 976,054.07 × 384,961.42
  4. Step 4: Simplify right side
    707,266.90x = 375,743,160,783.98
  5. Step 5: Solve for x
    x = 375,743,160,783.98/707,266.90
  6. Step 6: Final answer
    x = 531,260.77

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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.