Home / 730,660.52-1,095,800.70-309,719.72

Finding the Fourth Proportional to 730,660.52, 1,095,800.70 and 309,719.72

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Solution

The fourth proportional to 730,660.52, 1,095,800.70 and 309,719.72 is: 464,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,660.52 : 1,095,800.70 = 309,719.72 : x
  2. Step 2: Convert to fraction form
    730,660.52/1,095,800.70 = 309,719.72/x
  3. Step 3: Cross multiply
    730,660.52x = 1,095,800.70 × 309,719.72
  4. Step 4: Simplify right side
    730,660.52x = 339,391,085,979.80
  5. Step 5: Solve for x
    x = 339,391,085,979.80/730,660.52
  6. Step 6: Final answer
    x = 464,499.01

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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.