Home / 662,918.60-993,721.80-325,683.20

Finding the Fourth Proportional to 662,918.60, 993,721.80 and 325,683.20

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Solution

The fourth proportional to 662,918.60, 993,721.80 and 325,683.20 is: 488,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,918.60 : 993,721.80 = 325,683.20 : x
  2. Step 2: Convert to fraction form
    662,918.60/993,721.80 = 325,683.20/x
  3. Step 3: Cross multiply
    662,918.60x = 993,721.80 × 325,683.20
  4. Step 4: Simplify right side
    662,918.60x = 323,638,495,733.76
  5. Step 5: Solve for x
    x = 323,638,495,733.76/662,918.60
  6. Step 6: Final answer
    x = 488,202.47

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1.5x scale

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.