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Finding the Fourth Proportional to 507,269.25, 700,053.57 and 280,914.75

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Solution

The fourth proportional to 507,269.25, 700,053.57 and 280,914.75 is: 387,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,269.25 : 700,053.57 = 280,914.75 : x
  2. Step 2: Convert to fraction form
    507,269.25/700,053.57 = 280,914.75/x
  3. Step 3: Cross multiply
    507,269.25x = 700,053.57 × 280,914.75
  4. Step 4: Simplify right side
    507,269.25x = 196,655,373,603.16
  5. Step 5: Solve for x
    x = 196,655,373,603.16/507,269.25
  6. Step 6: Final answer
    x = 387,674.54

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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.