Home / 470,971.20-649,968.59-277,507.83

Finding the Fourth Proportional to 470,971.20, 649,968.59 and 277,507.83

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Solution

The fourth proportional to 470,971.20, 649,968.59 and 277,507.83 is: 382,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,971.20 : 649,968.59 = 277,507.83 : x
  2. Step 2: Convert to fraction form
    470,971.20/649,968.59 = 277,507.83/x
  3. Step 3: Cross multiply
    470,971.20x = 649,968.59 × 277,507.83
  4. Step 4: Simplify right side
    470,971.20x = 180,371,372,979.06
  5. Step 5: Solve for x
    x = 180,371,372,979.06/470,971.20
  6. Step 6: Final answer
    x = 382,977.50

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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.