Home / 890,248.86-1,228,969.17-508,201.83

Finding the Fourth Proportional to 890,248.86, 1,228,969.17 and 508,201.83

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Solution

The fourth proportional to 890,248.86, 1,228,969.17 and 508,201.83 is: 701,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,248.86 : 1,228,969.17 = 508,201.83 : x
  2. Step 2: Convert to fraction form
    890,248.86/1,228,969.17 = 508,201.83/x
  3. Step 3: Cross multiply
    890,248.86x = 1,228,969.17 × 508,201.83
  4. Step 4: Simplify right side
    890,248.86x = 624,564,381,207.58
  5. Step 5: Solve for x
    x = 624,564,381,207.58/890,248.86
  6. Step 6: Final answer
    x = 701,561.56

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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.