Home / 522,140.10-782,335.35-446,907.30

Finding the Fourth Proportional to 522,140.10, 782,335.35 and 446,907.30

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Solution

The fourth proportional to 522,140.10, 782,335.35 and 446,907.30 is: 669,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,140.10 : 782,335.35 = 446,907.30 : x
  2. Step 2: Convert to fraction form
    522,140.10/782,335.35 = 446,907.30/x
  3. Step 3: Cross multiply
    522,140.10x = 782,335.35 × 446,907.30
  4. Step 4: Simplify right side
    522,140.10x = 349,631,378,963.06
  5. Step 5: Solve for x
    x = 349,631,378,963.06/522,140.10
  6. Step 6: Final answer
    x = 669,612.20

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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.