Home / 807,948.02-1,114,975.90-445,384.88

Finding the Fourth Proportional to 807,948.02, 1,114,975.90 and 445,384.88

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Solution

The fourth proportional to 807,948.02, 1,114,975.90 and 445,384.88 is: 614,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,948.02 : 1,114,975.90 = 445,384.88 : x
  2. Step 2: Convert to fraction form
    807,948.02/1,114,975.90 = 445,384.88/x
  3. Step 3: Cross multiply
    807,948.02x = 1,114,975.90 × 445,384.88
  4. Step 4: Simplify right side
    807,948.02x = 496,593,407,424.39
  5. Step 5: Solve for x
    x = 496,593,407,424.39/807,948.02
  6. Step 6: Final answer
    x = 614,635.34

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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.