Home / 510,719.04-766,202.64-155,739.36

Finding the Fourth Proportional to 510,719.04, 766,202.64 and 155,739.36

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Solution

The fourth proportional to 510,719.04, 766,202.64 and 155,739.36 is: 233,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,719.04 : 766,202.64 = 155,739.36 : x
  2. Step 2: Convert to fraction form
    510,719.04/766,202.64 = 155,739.36/x
  3. Step 3: Cross multiply
    510,719.04x = 766,202.64 × 155,739.36
  4. Step 4: Simplify right side
    510,719.04x = 119,327,908,783.91
  5. Step 5: Solve for x
    x = 119,327,908,783.91/510,719.04
  6. Step 6: Final answer
    x = 233,646.88

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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.