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Finding the Fourth Proportional to 507,548, 700,439.19 and 281,193.50

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Solution

The fourth proportional to 507,548, 700,439.19 and 281,193.50 is: 388,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,548 : 700,439.19 = 281,193.50 : x
  2. Step 2: Convert to fraction form
    507,548/700,439.19 = 281,193.50/x
  3. Step 3: Cross multiply
    507,548x = 700,439.19 × 281,193.50
  4. Step 4: Simplify right side
    507,548x = 196,958,947,373.27
  5. Step 5: Solve for x
    x = 196,958,947,373.27/507,548
  6. Step 6: Final answer
    x = 388,059.74

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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.