Home / 470,966.89-649,942.24-256,113.28

Finding the Fourth Proportional to 470,966.89, 649,942.24 and 256,113.28

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Solution

The fourth proportional to 470,966.89, 649,942.24 and 256,113.28 is: 353,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,966.89 : 649,942.24 = 256,113.28 : x
  2. Step 2: Convert to fraction form
    470,966.89/649,942.24 = 256,113.28/x
  3. Step 3: Cross multiply
    470,966.89x = 649,942.24 × 256,113.28
  4. Step 4: Simplify right side
    470,966.89x = 166,458,838,896.95
  5. Step 5: Solve for x
    x = 166,458,838,896.95/470,966.89
  6. Step 6: Final answer
    x = 353,440.64

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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.