Home / 730,020.52-1,094,840.70-309,079.72

Finding the Fourth Proportional to 730,020.52, 1,094,840.70 and 309,079.72

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Solution

The fourth proportional to 730,020.52, 1,094,840.70 and 309,079.72 is: 463,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,020.52 : 1,094,840.70 = 309,079.72 : x
  2. Step 2: Convert to fraction form
    730,020.52/1,094,840.70 = 309,079.72/x
  3. Step 3: Cross multiply
    730,020.52x = 1,094,840.70 × 309,079.72
  4. Step 4: Simplify right side
    730,020.52x = 338,393,057,000.60
  5. Step 5: Solve for x
    x = 338,393,057,000.60/730,020.52
  6. Step 6: Final answer
    x = 463,539.10

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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.