Home / 509,828.80-703,561.44-283,460.80

Finding the Fourth Proportional to 509,828.80, 703,561.44 and 283,460.80

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Solution

The fourth proportional to 509,828.80, 703,561.44 and 283,460.80 is: 391,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,828.80 : 703,561.44 = 283,460.80 : x
  2. Step 2: Convert to fraction form
    509,828.80/703,561.44 = 283,460.80/x
  3. Step 3: Cross multiply
    509,828.80x = 703,561.44 × 283,460.80
  4. Step 4: Simplify right side
    509,828.80x = 199,432,088,631.55
  5. Step 5: Solve for x
    x = 199,432,088,631.55/509,828.80
  6. Step 6: Final answer
    x = 391,174.62

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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.