Home / 782,911.98-1,080,938.79-601,299.32

Finding the Fourth Proportional to 782,911.98, 1,080,938.79 and 601,299.32

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Solution

The fourth proportional to 782,911.98, 1,080,938.79 and 601,299.32 is: 830,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,911.98 : 1,080,938.79 = 601,299.32 : x
  2. Step 2: Convert to fraction form
    782,911.98/1,080,938.79 = 601,299.32/x
  3. Step 3: Cross multiply
    782,911.98x = 1,080,938.79 × 601,299.32
  4. Step 4: Simplify right side
    782,911.98x = 649,967,753,983.93
  5. Step 5: Solve for x
    x = 649,967,753,983.93/782,911.98
  6. Step 6: Final answer
    x = 830,192.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.