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Finding the Fourth Proportional to 507,481.13, 700,323.93 and 278,047.10

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Solution

The fourth proportional to 507,481.13, 700,323.93 and 278,047.10 is: 383,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,481.13 : 700,323.93 = 278,047.10 : x
  2. Step 2: Convert to fraction form
    507,481.13/700,323.93 = 278,047.10/x
  3. Step 3: Cross multiply
    507,481.13x = 700,323.93 × 278,047.10
  4. Step 4: Simplify right side
    507,481.13x = 194,723,037,797.10
  5. Step 5: Solve for x
    x = 194,723,037,797.10/507,481.13
  6. Step 6: Final answer
    x = 383,704.98

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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.