Home / 509,080.93-702,533.33-282,726.43

Finding the Fourth Proportional to 509,080.93, 702,533.33 and 282,726.43

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Solution

The fourth proportional to 509,080.93, 702,533.33 and 282,726.43 is: 390,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,080.93 : 702,533.33 = 282,726.43 : x
  2. Step 2: Convert to fraction form
    509,080.93/702,533.33 = 282,726.43/x
  3. Step 3: Cross multiply
    509,080.93x = 702,533.33 × 282,726.43
  4. Step 4: Simplify right side
    509,080.93x = 198,624,738,933.28
  5. Step 5: Solve for x
    x = 198,624,738,933.28/509,080.93
  6. Step 6: Final answer
    x = 390,163.39

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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.