Home / 702,787.52-969,835.20-380,495.04

Finding the Fourth Proportional to 702,787.52, 969,835.20 and 380,495.04

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Solution

The fourth proportional to 702,787.52, 969,835.20 and 380,495.04 is: 525,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,787.52 : 969,835.20 = 380,495.04 : x
  2. Step 2: Convert to fraction form
    702,787.52/969,835.20 = 380,495.04/x
  3. Step 3: Cross multiply
    702,787.52x = 969,835.20 × 380,495.04
  4. Step 4: Simplify right side
    702,787.52x = 369,017,483,217.41
  5. Step 5: Solve for x
    x = 369,017,483,217.41/702,787.52
  6. Step 6: Final answer
    x = 525,076.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.