Home / 983,999.80-1,476,582.90-648,003.70

Finding the Fourth Proportional to 983,999.80, 1,476,582.90 and 648,003.70

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Solution

The fourth proportional to 983,999.80, 1,476,582.90 and 648,003.70 is: 972,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,999.80 : 1,476,582.90 = 648,003.70 : x
  2. Step 2: Convert to fraction form
    983,999.80/1,476,582.90 = 648,003.70/x
  3. Step 3: Cross multiply
    983,999.80x = 1,476,582.90 × 648,003.70
  4. Step 4: Simplify right side
    983,999.80x = 956,831,182,556.73
  5. Step 5: Solve for x
    x = 956,831,182,556.73/983,999.80
  6. Step 6: Final answer
    x = 972,389.61

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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.