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Finding the Fourth Proportional to 662,101.60, 993,670.80 and 307,159.60

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Solution

The fourth proportional to 662,101.60, 993,670.80 and 307,159.60 is: 460,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,101.60 : 993,670.80 = 307,159.60 : x
  2. Step 2: Convert to fraction form
    662,101.60/993,670.80 = 307,159.60/x
  3. Step 3: Cross multiply
    662,101.60x = 993,670.80 × 307,159.60
  4. Step 4: Simplify right side
    662,101.60x = 305,215,525,459.68
  5. Step 5: Solve for x
    x = 305,215,525,459.68/662,101.60
  6. Step 6: Final answer
    x = 460,979.89

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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.