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Finding the Fourth Proportional to 561,360.42, 774,668.34 and 306,706.14

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Solution

The fourth proportional to 561,360.42, 774,668.34 and 306,706.14 is: 423,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,360.42 : 774,668.34 = 306,706.14 : x
  2. Step 2: Convert to fraction form
    561,360.42/774,668.34 = 306,706.14/x
  3. Step 3: Cross multiply
    561,360.42x = 774,668.34 × 306,706.14
  4. Step 4: Simplify right side
    561,360.42x = 237,595,536,341.61
  5. Step 5: Solve for x
    x = 237,595,536,341.61/561,360.42
  6. Step 6: Final answer
    x = 423,249.53

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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.