Home / 727,786.67-1,086,562.62-556,109.91

Finding the Fourth Proportional to 727,786.67, 1,086,562.62 and 556,109.91

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Solution

The fourth proportional to 727,786.67, 1,086,562.62 and 556,109.91 is: 830,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,786.67 : 1,086,562.62 = 556,109.91 : x
  2. Step 2: Convert to fraction form
    727,786.67/1,086,562.62 = 556,109.91/x
  3. Step 3: Cross multiply
    727,786.67x = 1,086,562.62 × 556,109.91
  4. Step 4: Simplify right side
    727,786.67x = 604,248,240,817.56
  5. Step 5: Solve for x
    x = 604,248,240,817.56/727,786.67
  6. Step 6: Final answer
    x = 830,254.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.