Home / 556,982.68-768,637.02-302,333.80

Finding the Fourth Proportional to 556,982.68, 768,637.02 and 302,333.80

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Solution

The fourth proportional to 556,982.68, 768,637.02 and 302,333.80 is: 417,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,982.68 : 768,637.02 = 302,333.80 : x
  2. Step 2: Convert to fraction form
    556,982.68/768,637.02 = 302,333.80/x
  3. Step 3: Cross multiply
    556,982.68x = 768,637.02 × 302,333.80
  4. Step 4: Simplify right side
    556,982.68x = 232,384,951,077.28
  5. Step 5: Solve for x
    x = 232,384,951,077.28/556,982.68
  6. Step 6: Final answer
    x = 417,221.14

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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.