Home / 706,308.45-1,060,128.49-257,463.15

Finding the Fourth Proportional to 706,308.45, 1,060,128.49 and 257,463.15

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Solution

The fourth proportional to 706,308.45, 1,060,128.49 and 257,463.15 is: 386,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,308.45 : 1,060,128.49 = 257,463.15 : x
  2. Step 2: Convert to fraction form
    706,308.45/1,060,128.49 = 257,463.15/x
  3. Step 3: Cross multiply
    706,308.45x = 1,060,128.49 × 257,463.15
  4. Step 4: Simplify right side
    706,308.45x = 272,944,020,440.14
  5. Step 5: Solve for x
    x = 272,944,020,440.14/706,308.45
  6. Step 6: Final answer
    x = 386,437.43

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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.