Home / 645,475.20-968,407.20-346,099.20

Finding the Fourth Proportional to 645,475.20, 968,407.20 and 346,099.20

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Solution

The fourth proportional to 645,475.20, 968,407.20 and 346,099.20 is: 519,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,475.20 : 968,407.20 = 346,099.20 : x
  2. Step 2: Convert to fraction form
    645,475.20/968,407.20 = 346,099.20/x
  3. Step 3: Cross multiply
    645,475.20x = 968,407.20 × 346,099.20
  4. Step 4: Simplify right side
    645,475.20x = 335,164,957,194.24
  5. Step 5: Solve for x
    x = 335,164,957,194.24/645,475.20
  6. Step 6: Final answer
    x = 519,253.04

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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.