Home / 470,596.08-648,975.60-309,587.52

Finding the Fourth Proportional to 470,596.08, 648,975.60 and 309,587.52

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Solution

The fourth proportional to 470,596.08, 648,975.60 and 309,587.52 is: 426,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,596.08 : 648,975.60 = 309,587.52 : x
  2. Step 2: Convert to fraction form
    470,596.08/648,975.60 = 309,587.52/x
  3. Step 3: Cross multiply
    470,596.08x = 648,975.60 × 309,587.52
  4. Step 4: Simplify right side
    470,596.08x = 200,914,746,544.51
  5. Step 5: Solve for x
    x = 200,914,746,544.51/470,596.08
  6. Step 6: Final answer
    x = 426,936.72

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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.