Home / 480,845.40-719,885.70-294,221.40

Finding the Fourth Proportional to 480,845.40, 719,885.70 and 294,221.40

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Solution

The fourth proportional to 480,845.40, 719,885.70 and 294,221.40 is: 440,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,845.40 : 719,885.70 = 294,221.40 : x
  2. Step 2: Convert to fraction form
    480,845.40/719,885.70 = 294,221.40/x
  3. Step 3: Cross multiply
    480,845.40x = 719,885.70 × 294,221.40
  4. Step 4: Simplify right side
    480,845.40x = 211,805,778,493.98
  5. Step 5: Solve for x
    x = 211,805,778,493.98/480,845.40
  6. Step 6: Final answer
    x = 440,486.23

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1.5x scale

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.