Home / 930,177.60-1,395,266.40-646,742.40

Finding the Fourth Proportional to 930,177.60, 1,395,266.40 and 646,742.40

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Solution

The fourth proportional to 930,177.60, 1,395,266.40 and 646,742.40 is: 970,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,177.60 : 1,395,266.40 = 646,742.40 : x
  2. Step 2: Convert to fraction form
    930,177.60/1,395,266.40 = 646,742.40/x
  3. Step 3: Cross multiply
    930,177.60x = 1,395,266.40 × 646,742.40
  4. Step 4: Simplify right side
    930,177.60x = 902,377,940,175.36
  5. Step 5: Solve for x
    x = 902,377,940,175.36/930,177.60
  6. Step 6: Final answer
    x = 970,113.60

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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.