Home / 829,088.60-1,244,247.30-330,810.20

Finding the Fourth Proportional to 829,088.60, 1,244,247.30 and 330,810.20

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Solution

The fourth proportional to 829,088.60, 1,244,247.30 and 330,810.20 is: 496,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,088.60 : 1,244,247.30 = 330,810.20 : x
  2. Step 2: Convert to fraction form
    829,088.60/1,244,247.30 = 330,810.20/x
  3. Step 3: Cross multiply
    829,088.60x = 1,244,247.30 × 330,810.20
  4. Step 4: Simplify right side
    829,088.60x = 411,609,698,162.46
  5. Step 5: Solve for x
    x = 411,609,698,162.46/829,088.60
  6. Step 6: Final answer
    x = 496,460.45

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Double scale
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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.