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Finding the Fourth Proportional to 507,427.75, 700,250.24 and 303,478.64

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Solution

The fourth proportional to 507,427.75, 700,250.24 and 303,478.64 is: 418,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,427.75 : 700,250.24 = 303,478.64 : x
  2. Step 2: Convert to fraction form
    507,427.75/700,250.24 = 303,478.64/x
  3. Step 3: Cross multiply
    507,427.75x = 700,250.24 × 303,478.64
  4. Step 4: Simplify right side
    507,427.75x = 212,510,989,984.16
  5. Step 5: Solve for x
    x = 212,510,989,984.16/507,427.75
  6. Step 6: Final answer
    x = 418,800.49

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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.