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Finding the Fourth Proportional to 507,451.96, 700,283.46 and 303,502.88

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Solution

The fourth proportional to 507,451.96, 700,283.46 and 303,502.88 is: 418,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,451.96 : 700,283.46 = 303,502.88 : x
  2. Step 2: Convert to fraction form
    507,451.96/700,283.46 = 303,502.88/x
  3. Step 3: Cross multiply
    507,451.96x = 700,283.46 × 303,502.88
  4. Step 4: Simplify right side
    507,451.96x = 212,538,041,907.43
  5. Step 5: Solve for x
    x = 212,538,041,907.43/507,451.96
  6. Step 6: Final answer
    x = 418,833.82

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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.