Home / 889,644-1,331,117.76-623,923.20

Finding the Fourth Proportional to 889,644, 1,331,117.76 and 623,923.20

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Solution

The fourth proportional to 889,644, 1,331,117.76 and 623,923.20 is: 933,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,644 : 1,331,117.76 = 623,923.20 : x
  2. Step 2: Convert to fraction form
    889,644/1,331,117.76 = 623,923.20/x
  3. Step 3: Cross multiply
    889,644x = 1,331,117.76 × 623,923.20
  4. Step 4: Simplify right side
    889,644x = 830,515,252,396.03
  5. Step 5: Solve for x
    x = 830,515,252,396.03/889,644
  6. Step 6: Final answer
    x = 933,536.62

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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.