Home / 662,688.60-994,551.30-307,746.60

Finding the Fourth Proportional to 662,688.60, 994,551.30 and 307,746.60

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Solution

The fourth proportional to 662,688.60, 994,551.30 and 307,746.60 is: 461,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,688.60 : 994,551.30 = 307,746.60 : x
  2. Step 2: Convert to fraction form
    662,688.60/994,551.30 = 307,746.60/x
  3. Step 3: Cross multiply
    662,688.60x = 994,551.30 × 307,746.60
  4. Step 4: Simplify right side
    662,688.60x = 306,069,781,100.58
  5. Step 5: Solve for x
    x = 306,069,781,100.58/662,688.60
  6. Step 6: Final answer
    x = 461,860.64

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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.