Home / 706,312.70-1,060,134.86-257,467.40

Finding the Fourth Proportional to 706,312.70, 1,060,134.86 and 257,467.40

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Solution

The fourth proportional to 706,312.70, 1,060,134.86 and 257,467.40 is: 386,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,312.70 : 1,060,134.86 = 257,467.40 : x
  2. Step 2: Convert to fraction form
    706,312.70/1,060,134.86 = 257,467.40/x
  3. Step 3: Cross multiply
    706,312.70x = 1,060,134.86 × 257,467.40
  4. Step 4: Simplify right side
    706,312.70x = 272,950,166,053.56
  5. Step 5: Solve for x
    x = 272,950,166,053.56/706,312.70
  6. Step 6: Final answer
    x = 386,443.80

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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.