Home / 470,740.28-649,613.93-255,885.75

Finding the Fourth Proportional to 470,740.28, 649,613.93 and 255,885.75

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Solution

The fourth proportional to 470,740.28, 649,613.93 and 255,885.75 is: 353,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,740.28 : 649,613.93 = 255,885.75 : x
  2. Step 2: Convert to fraction form
    470,740.28/649,613.93 = 255,885.75/x
  3. Step 3: Cross multiply
    470,740.28x = 649,613.93 × 255,885.75
  4. Step 4: Simplify right side
    470,740.28x = 166,226,946,409.07
  5. Step 5: Solve for x
    x = 166,226,946,409.07/470,740.28
  6. Step 6: Final answer
    x = 353,118.17

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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.