Home / 802,005.29-1,202,260.40-402,178.86

Finding the Fourth Proportional to 802,005.29, 1,202,260.40 and 402,178.86

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Solution

The fourth proportional to 802,005.29, 1,202,260.40 and 402,178.86 is: 602,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,005.29 : 1,202,260.40 = 402,178.86 : x
  2. Step 2: Convert to fraction form
    802,005.29/1,202,260.40 = 402,178.86/x
  3. Step 3: Cross multiply
    802,005.29x = 1,202,260.40 × 402,178.86
  4. Step 4: Simplify right side
    802,005.29x = 483,523,718,854.68
  5. Step 5: Solve for x
    x = 483,523,718,854.68/802,005.29
  6. Step 6: Final answer
    x = 602,893.43

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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.