Home / 930,001.80-1,395,197.10-298,979.40

Finding the Fourth Proportional to 930,001.80, 1,395,197.10 and 298,979.40

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Solution

The fourth proportional to 930,001.80, 1,395,197.10 and 298,979.40 is: 448,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,001.80 : 1,395,197.10 = 298,979.40 : x
  2. Step 2: Convert to fraction form
    930,001.80/1,395,197.10 = 298,979.40/x
  3. Step 3: Cross multiply
    930,001.80x = 1,395,197.10 × 298,979.40
  4. Step 4: Simplify right side
    930,001.80x = 417,135,191,839.74
  5. Step 5: Solve for x
    x = 417,135,191,839.74/930,001.80
  6. Step 6: Final answer
    x = 448,531.60

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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.