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Finding the Fourth Proportional to 560,514.39, 773,526.24 and 305,881.98

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Solution

The fourth proportional to 560,514.39, 773,526.24 and 305,881.98 is: 422,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,514.39 : 773,526.24 = 305,881.98 : x
  2. Step 2: Convert to fraction form
    560,514.39/773,526.24 = 305,881.98/x
  3. Step 3: Cross multiply
    560,514.39x = 773,526.24 × 305,881.98
  4. Step 4: Simplify right side
    560,514.39x = 236,607,737,873.16
  5. Step 5: Solve for x
    x = 236,607,737,873.16/560,514.39
  6. Step 6: Final answer
    x = 422,126.07

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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.