Home / 706,434.72-1,059,935.02-257,186.64

Finding the Fourth Proportional to 706,434.72, 1,059,935.02 and 257,186.64

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Solution

The fourth proportional to 706,434.72, 1,059,935.02 and 257,186.64 is: 385,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,434.72 : 1,059,935.02 = 257,186.64 : x
  2. Step 2: Convert to fraction form
    706,434.72/1,059,935.02 = 257,186.64/x
  3. Step 3: Cross multiply
    706,434.72x = 1,059,935.02 × 257,186.64
  4. Step 4: Simplify right side
    706,434.72x = 272,601,129,743.92
  5. Step 5: Solve for x
    x = 272,601,129,743.92/706,434.72
  6. Step 6: Final answer
    x = 385,882.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.