Home / 434,829.60-652,244.40-403,336.80

Finding the Fourth Proportional to 434,829.60, 652,244.40 and 403,336.80

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Solution

The fourth proportional to 434,829.60, 652,244.40 and 403,336.80 is: 605,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,829.60 : 652,244.40 = 403,336.80 : x
  2. Step 2: Convert to fraction form
    434,829.60/652,244.40 = 403,336.80/x
  3. Step 3: Cross multiply
    434,829.60x = 652,244.40 × 403,336.80
  4. Step 4: Simplify right side
    434,829.60x = 263,074,169,113.92
  5. Step 5: Solve for x
    x = 263,074,169,113.92/434,829.60
  6. Step 6: Final answer
    x = 605,005.20

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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.