Home / 656,260.29-983,282.31-403,012.98

Finding the Fourth Proportional to 656,260.29, 983,282.31 and 403,012.98

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Solution

The fourth proportional to 656,260.29, 983,282.31 and 403,012.98 is: 603,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,260.29 : 983,282.31 = 403,012.98 : x
  2. Step 2: Convert to fraction form
    656,260.29/983,282.31 = 403,012.98/x
  3. Step 3: Cross multiply
    656,260.29x = 983,282.31 × 403,012.98
  4. Step 4: Simplify right side
    656,260.29x = 396,275,533,934.38
  5. Step 5: Solve for x
    x = 396,275,533,934.38/656,260.29
  6. Step 6: Final answer
    x = 603,838.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.