Home / 802,117.10-1,202,592.45-328,558.70

Finding the Fourth Proportional to 802,117.10, 1,202,592.45 and 328,558.70

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Solution

The fourth proportional to 802,117.10, 1,202,592.45 and 328,558.70 is: 492,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,117.10 : 1,202,592.45 = 328,558.70 : x
  2. Step 2: Convert to fraction form
    802,117.10/1,202,592.45 = 328,558.70/x
  3. Step 3: Cross multiply
    802,117.10x = 1,202,592.45 × 328,558.70
  4. Step 4: Simplify right side
    802,117.10x = 395,122,212,001.82
  5. Step 5: Solve for x
    x = 395,122,212,001.82/802,117.10
  6. Step 6: Final answer
    x = 492,599.16

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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.