Home / 890,056.76-1,228,498.04-508,304.97

Finding the Fourth Proportional to 890,056.76, 1,228,498.04 and 508,304.97

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Solution

The fourth proportional to 890,056.76, 1,228,498.04 and 508,304.97 is: 701,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,056.76 : 1,228,498.04 = 508,304.97 : x
  2. Step 2: Convert to fraction form
    890,056.76/1,228,498.04 = 508,304.97/x
  3. Step 3: Cross multiply
    890,056.76x = 1,228,498.04 × 508,304.97
  4. Step 4: Simplify right side
    890,056.76x = 624,451,660,638.02
  5. Step 5: Solve for x
    x = 624,451,660,638.02/890,056.76
  6. Step 6: Final answer
    x = 701,586.34

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Double scale
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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.