Home / 607,030.20-909,816.30-251,861.40

Finding the Fourth Proportional to 607,030.20, 909,816.30 and 251,861.40

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Solution

The fourth proportional to 607,030.20, 909,816.30 and 251,861.40 is: 377,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,030.20 : 909,816.30 = 251,861.40 : x
  2. Step 2: Convert to fraction form
    607,030.20/909,816.30 = 251,861.40/x
  3. Step 3: Cross multiply
    607,030.20x = 909,816.30 × 251,861.40
  4. Step 4: Simplify right side
    607,030.20x = 229,147,607,060.82
  5. Step 5: Solve for x
    x = 229,147,607,060.82/607,030.20
  6. Step 6: Final answer
    x = 377,489.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.