Home / 707,776.48-976,749.12-385,504.24

Finding the Fourth Proportional to 707,776.48, 976,749.12 and 385,504.24

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Solution

The fourth proportional to 707,776.48, 976,749.12 and 385,504.24 is: 532,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,776.48 : 976,749.12 = 385,504.24 : x
  2. Step 2: Convert to fraction form
    707,776.48/976,749.12 = 385,504.24/x
  3. Step 3: Cross multiply
    707,776.48x = 976,749.12 × 385,504.24
  4. Step 4: Simplify right side
    707,776.48x = 376,540,927,176.27
  5. Step 5: Solve for x
    x = 376,540,927,176.27/707,776.48
  6. Step 6: Final answer
    x = 532,005.43

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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.