Home / 829,209.71-1,243,821.53-230,217.58

Finding the Fourth Proportional to 829,209.71, 1,243,821.53 and 230,217.58

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Solution

The fourth proportional to 829,209.71, 1,243,821.53 and 230,217.58 is: 345,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,209.71 : 1,243,821.53 = 230,217.58 : x
  2. Step 2: Convert to fraction form
    829,209.71/1,243,821.53 = 230,217.58/x
  3. Step 3: Cross multiply
    829,209.71x = 1,243,821.53 × 230,217.58
  4. Step 4: Simplify right side
    829,209.71x = 286,349,582,588.50
  5. Step 5: Solve for x
    x = 286,349,582,588.50/829,209.71
  6. Step 6: Final answer
    x = 345,328.30

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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.