Home / 829,800.20-1,244,700.30-788,328.20

Finding the Fourth Proportional to 829,800.20, 1,244,700.30 and 788,328.20

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Solution

The fourth proportional to 829,800.20, 1,244,700.30 and 788,328.20 is: 1,182,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,800.20 : 1,244,700.30 = 788,328.20 : x
  2. Step 2: Convert to fraction form
    829,800.20/1,244,700.30 = 788,328.20/x
  3. Step 3: Cross multiply
    829,800.20x = 1,244,700.30 × 788,328.20
  4. Step 4: Simplify right side
    829,800.20x = 981,232,347,038.46
  5. Step 5: Solve for x
    x = 981,232,347,038.46/829,800.20
  6. Step 6: Final answer
    x = 1,182,492.30

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Double scale
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Similar ratio
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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.