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Finding the Fourth Proportional to 465,478.96, 697,567.58 and 251,785.56

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Solution

The fourth proportional to 465,478.96, 697,567.58 and 251,785.56 is: 377,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,478.96 : 697,567.58 = 251,785.56 : x
  2. Step 2: Convert to fraction form
    465,478.96/697,567.58 = 251,785.56/x
  3. Step 3: Cross multiply
    465,478.96x = 697,567.58 × 251,785.56
  4. Step 4: Simplify right side
    465,478.96x = 175,637,443,768.15
  5. Step 5: Solve for x
    x = 175,637,443,768.15/465,478.96
  6. Step 6: Final answer
    x = 377,326.28

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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.