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Finding the Fourth Proportional to 507,424.56, 700,245.96 and 277,990.02

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Solution

The fourth proportional to 507,424.56, 700,245.96 and 277,990.02 is: 383,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,424.56 : 700,245.96 = 277,990.02 : x
  2. Step 2: Convert to fraction form
    507,424.56/700,245.96 = 277,990.02/x
  3. Step 3: Cross multiply
    507,424.56x = 700,245.96 × 277,990.02
  4. Step 4: Simplify right side
    507,424.56x = 194,661,388,425.32
  5. Step 5: Solve for x
    x = 194,661,388,425.32/507,424.56
  6. Step 6: Final answer
    x = 383,626.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.