Home / 570,284.43-786,939.19-340,796.18

Finding the Fourth Proportional to 570,284.43, 786,939.19 and 340,796.18

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Solution

The fourth proportional to 570,284.43, 786,939.19 and 340,796.18 is: 470,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,284.43 : 786,939.19 = 340,796.18 : x
  2. Step 2: Convert to fraction form
    570,284.43/786,939.19 = 340,796.18/x
  3. Step 3: Cross multiply
    570,284.43x = 786,939.19 × 340,796.18
  4. Step 4: Simplify right side
    570,284.43x = 268,185,865,057.61
  5. Step 5: Solve for x
    x = 268,185,865,057.61/570,284.43
  6. Step 6: Final answer
    x = 470,266.85

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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.