Home / 829,905.50-1,145,258.30-467,333.70

Finding the Fourth Proportional to 829,905.50, 1,145,258.30 and 467,333.70

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Solution

The fourth proportional to 829,905.50, 1,145,258.30 and 467,333.70 is: 644,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,905.50 : 1,145,258.30 = 467,333.70 : x
  2. Step 2: Convert to fraction form
    829,905.50/1,145,258.30 = 467,333.70/x
  3. Step 3: Cross multiply
    829,905.50x = 1,145,258.30 × 467,333.70
  4. Step 4: Simplify right side
    829,905.50x = 535,217,798,794.71
  5. Step 5: Solve for x
    x = 535,217,798,794.71/829,905.50
  6. Step 6: Final answer
    x = 644,914.15

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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.