Home / 470,307.69-649,029.38-255,451.95

Finding the Fourth Proportional to 470,307.69, 649,029.38 and 255,451.95

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Solution

The fourth proportional to 470,307.69, 649,029.38 and 255,451.95 is: 352,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,307.69 : 649,029.38 = 255,451.95 : x
  2. Step 2: Convert to fraction form
    470,307.69/649,029.38 = 255,451.95/x
  3. Step 3: Cross multiply
    470,307.69x = 649,029.38 × 255,451.95
  4. Step 4: Simplify right side
    470,307.69x = 165,795,819,451.03
  5. Step 5: Solve for x
    x = 165,795,819,451.03/470,307.69
  6. Step 6: Final answer
    x = 352,526.28

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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.