Home / 829,116.46-1,243,675.30-230,078.19

Finding the Fourth Proportional to 829,116.46, 1,243,675.30 and 230,078.19

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Solution

The fourth proportional to 829,116.46, 1,243,675.30 and 230,078.19 is: 345,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,116.46 : 1,243,675.30 = 230,078.19 : x
  2. Step 2: Convert to fraction form
    829,116.46/1,243,675.30 = 230,078.19/x
  3. Step 3: Cross multiply
    829,116.46x = 1,243,675.30 × 230,078.19
  4. Step 4: Simplify right side
    829,116.46x = 286,142,559,496.02
  5. Step 5: Solve for x
    x = 286,142,559,496.02/829,116.46
  6. Step 6: Final answer
    x = 345,117.45

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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.