Home / 869,783.57-1,304,362.79-301,010.33

Finding the Fourth Proportional to 869,783.57, 1,304,362.79 and 301,010.33

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Solution

The fourth proportional to 869,783.57, 1,304,362.79 and 301,010.33 is: 451,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,783.57 : 1,304,362.79 = 301,010.33 : x
  2. Step 2: Convert to fraction form
    869,783.57/1,304,362.79 = 301,010.33/x
  3. Step 3: Cross multiply
    869,783.57x = 1,304,362.79 × 301,010.33
  4. Step 4: Simplify right side
    869,783.57x = 392,626,671,098.41
  5. Step 5: Solve for x
    x = 392,626,671,098.41/869,783.57
  6. Step 6: Final answer
    x = 451,407.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.