Home / 829,225.98-1,242,863.73-474,484.86

Finding the Fourth Proportional to 829,225.98, 1,242,863.73 and 474,484.86

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Solution

The fourth proportional to 829,225.98, 1,242,863.73 and 474,484.86 is: 711,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,225.98 : 1,242,863.73 = 474,484.86 : x
  2. Step 2: Convert to fraction form
    829,225.98/1,242,863.73 = 474,484.86/x
  3. Step 3: Cross multiply
    829,225.98x = 1,242,863.73 × 474,484.86
  4. Step 4: Simplify right side
    829,225.98x = 589,720,022,928.13
  5. Step 5: Solve for x
    x = 589,720,022,928.13/829,225.98
  6. Step 6: Final answer
    x = 711,169.26

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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.