Home / 998,630.72-1,497,957.02-288,664.91

Finding the Fourth Proportional to 998,630.72, 1,497,957.02 and 288,664.91

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Solution

The fourth proportional to 998,630.72, 1,497,957.02 and 288,664.91 is: 433,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,630.72 : 1,497,957.02 = 288,664.91 : x
  2. Step 2: Convert to fraction form
    998,630.72/1,497,957.02 = 288,664.91/x
  3. Step 3: Cross multiply
    998,630.72x = 1,497,957.02 × 288,664.91
  4. Step 4: Simplify right side
    998,630.72x = 432,407,628,362.17
  5. Step 5: Solve for x
    x = 432,407,628,362.17/998,630.72
  6. Step 6: Final answer
    x = 433,000.53

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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.