Home / 434,824.40-652,236.60-417,328.40

Finding the Fourth Proportional to 434,824.40, 652,236.60 and 417,328.40

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Solution

The fourth proportional to 434,824.40, 652,236.60 and 417,328.40 is: 625,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,824.40 : 652,236.60 = 417,328.40 : x
  2. Step 2: Convert to fraction form
    434,824.40/652,236.60 = 417,328.40/x
  3. Step 3: Cross multiply
    434,824.40x = 652,236.60 × 417,328.40
  4. Step 4: Simplify right side
    434,824.40x = 272,196,856,699.44
  5. Step 5: Solve for x
    x = 272,196,856,699.44/434,824.40
  6. Step 6: Final answer
    x = 625,992.60

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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.