Home / 708,803.23-1,063,904.69-309,719.47

Finding the Fourth Proportional to 708,803.23, 1,063,904.69 and 309,719.47

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Solution

The fourth proportional to 708,803.23, 1,063,904.69 and 309,719.47 is: 464,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,803.23 : 1,063,904.69 = 309,719.47 : x
  2. Step 2: Convert to fraction form
    708,803.23/1,063,904.69 = 309,719.47/x
  3. Step 3: Cross multiply
    708,803.23x = 1,063,904.69 × 309,719.47
  4. Step 4: Simplify right side
    708,803.23x = 329,511,996,717.31
  5. Step 5: Solve for x
    x = 329,511,996,717.31/708,803.23
  6. Step 6: Final answer
    x = 464,885.01

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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.