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Finding the Fourth Proportional to 507,899.71, 700,660.08 and 303,909.55

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Solution

The fourth proportional to 507,899.71, 700,660.08 and 303,909.55 is: 419,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,899.71 : 700,660.08 = 303,909.55 : x
  2. Step 2: Convert to fraction form
    507,899.71/700,660.08 = 303,909.55/x
  3. Step 3: Cross multiply
    507,899.71x = 700,660.08 × 303,909.55
  4. Step 4: Simplify right side
    507,899.71x = 212,937,289,615.76
  5. Step 5: Solve for x
    x = 212,937,289,615.76/507,899.71
  6. Step 6: Final answer
    x = 419,250.66

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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.