Home / 662,631.80-993,947.70-307,527.80

Finding the Fourth Proportional to 662,631.80, 993,947.70 and 307,527.80

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Solution

The fourth proportional to 662,631.80, 993,947.70 and 307,527.80 is: 461,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,631.80 : 993,947.70 = 307,527.80 : x
  2. Step 2: Convert to fraction form
    662,631.80/993,947.70 = 307,527.80/x
  3. Step 3: Cross multiply
    662,631.80x = 993,947.70 × 307,527.80
  4. Step 4: Simplify right side
    662,631.80x = 305,666,549,496.06
  5. Step 5: Solve for x
    x = 305,666,549,496.06/662,631.80
  6. Step 6: Final answer
    x = 461,291.70

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Double scale
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Similar ratio
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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.