Home / 607,802.04-911,714.80-187,077.50

Finding the Fourth Proportional to 607,802.04, 911,714.80 and 187,077.50

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Solution

The fourth proportional to 607,802.04, 911,714.80 and 187,077.50 is: 280,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,802.04 : 911,714.80 = 187,077.50 : x
  2. Step 2: Convert to fraction form
    607,802.04/911,714.80 = 187,077.50/x
  3. Step 3: Cross multiply
    607,802.04x = 911,714.80 × 187,077.50
  4. Step 4: Simplify right side
    607,802.04x = 170,561,325,497
  5. Step 5: Solve for x
    x = 170,561,325,497/607,802.04
  6. Step 6: Final answer
    x = 280,619.86

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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.