Home / 808,548.60-1,212,968.70-335,281.80

Finding the Fourth Proportional to 808,548.60, 1,212,968.70 and 335,281.80

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Solution

The fourth proportional to 808,548.60, 1,212,968.70 and 335,281.80 is: 502,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,548.60 : 1,212,968.70 = 335,281.80 : x
  2. Step 2: Convert to fraction form
    808,548.60/1,212,968.70 = 335,281.80/x
  3. Step 3: Cross multiply
    808,548.60x = 1,212,968.70 × 335,281.80
  4. Step 4: Simplify right side
    808,548.60x = 406,686,329,079.66
  5. Step 5: Solve for x
    x = 406,686,329,079.66/808,548.60
  6. Step 6: Final answer
    x = 502,983.16

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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.