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Finding the Fourth Proportional to 507,688.56, 700,614.36 and 281,337.84

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Solution

The fourth proportional to 507,688.56, 700,614.36 and 281,337.84 is: 388,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,688.56 : 700,614.36 = 281,337.84 : x
  2. Step 2: Convert to fraction form
    507,688.56/700,614.36 = 281,337.84/x
  3. Step 3: Cross multiply
    507,688.56x = 700,614.36 × 281,337.84
  4. Step 4: Simplify right side
    507,688.56x = 197,109,330,715.38
  5. Step 5: Solve for x
    x = 197,109,330,715.38/507,688.56
  6. Step 6: Final answer
    x = 388,248.52

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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.