Home / 645,453.20-968,374.20-346,077.20

Finding the Fourth Proportional to 645,453.20, 968,374.20 and 346,077.20

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Solution

The fourth proportional to 645,453.20, 968,374.20 and 346,077.20 is: 519,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,453.20 : 968,374.20 = 346,077.20 : x
  2. Step 2: Convert to fraction form
    645,453.20/968,374.20 = 346,077.20/x
  3. Step 3: Cross multiply
    645,453.20x = 968,374.20 × 346,077.20
  4. Step 4: Simplify right side
    645,453.20x = 335,132,231,688.24
  5. Step 5: Solve for x
    x = 335,132,231,688.24/645,453.20
  6. Step 6: Final answer
    x = 519,220.03

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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.