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Finding the Fourth Proportional to 470,656.68, 649,510.56 and 255,797.34

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Solution

The fourth proportional to 470,656.68, 649,510.56 and 255,797.34 is: 353,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,656.68 : 649,510.56 = 255,797.34 : x
  2. Step 2: Convert to fraction form
    470,656.68/649,510.56 = 255,797.34/x
  3. Step 3: Cross multiply
    470,656.68x = 649,510.56 × 255,797.34
  4. Step 4: Simplify right side
    470,656.68x = 166,143,073,549.91
  5. Step 5: Solve for x
    x = 166,143,073,549.91/470,656.68
  6. Step 6: Final answer
    x = 353,002.69

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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.