Home / 470,830.58-649,759.02-255,985.46

Finding the Fourth Proportional to 470,830.58, 649,759.02 and 255,985.46

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Solution

The fourth proportional to 470,830.58, 649,759.02 and 255,985.46 is: 353,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,830.58 : 649,759.02 = 255,985.46 : x
  2. Step 2: Convert to fraction form
    470,830.58/649,759.02 = 255,985.46/x
  3. Step 3: Cross multiply
    470,830.58x = 649,759.02 × 255,985.46
  4. Step 4: Simplify right side
    470,830.58x = 166,328,861,623.85
  5. Step 5: Solve for x
    x = 166,328,861,623.85/470,830.58
  6. Step 6: Final answer
    x = 353,266.90

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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.