Home / 982,936.01-1,355,291.03-672,988.91

Finding the Fourth Proportional to 982,936.01, 1,355,291.03 and 672,988.91

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Solution

The fourth proportional to 982,936.01, 1,355,291.03 and 672,988.91 is: 927,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,936.01 : 1,355,291.03 = 672,988.91 : x
  2. Step 2: Convert to fraction form
    982,936.01/1,355,291.03 = 672,988.91/x
  3. Step 3: Cross multiply
    982,936.01x = 1,355,291.03 × 672,988.91
  4. Step 4: Simplify right side
    982,936.01x = 912,095,822,871.08
  5. Step 5: Solve for x
    x = 912,095,822,871.08/982,936.01
  6. Step 6: Final answer
    x = 927,930.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.