Home / 979,875.70-1,467,247.47-641,852.98

Finding the Fourth Proportional to 979,875.70, 1,467,247.47 and 641,852.98

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Solution

The fourth proportional to 979,875.70, 1,467,247.47 and 641,852.98 is: 961,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,875.70 : 1,467,247.47 = 641,852.98 : x
  2. Step 2: Convert to fraction form
    979,875.70/1,467,247.47 = 641,852.98/x
  3. Step 3: Cross multiply
    979,875.70x = 1,467,247.47 × 641,852.98
  4. Step 4: Simplify right side
    979,875.70x = 941,757,154,941.89
  5. Step 5: Solve for x
    x = 941,757,154,941.89/979,875.70
  6. Step 6: Final answer
    x = 961,098.59

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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.