Home / 1,019,347.23-1,529,029.91-309,375.15

Finding the Fourth Proportional to 1,019,347.23, 1,529,029.91 and 309,375.15

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Solution

The fourth proportional to 1,019,347.23, 1,529,029.91 and 309,375.15 is: 464,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,347.23 : 1,529,029.91 = 309,375.15 : x
  2. Step 2: Convert to fraction form
    1,019,347.23/1,529,029.91 = 309,375.15/x
  3. Step 3: Cross multiply
    1,019,347.23x = 1,529,029.91 × 309,375.15
  4. Step 4: Simplify right side
    1,019,347.23x = 473,043,852,800.31
  5. Step 5: Solve for x
    x = 473,043,852,800.31/1,019,347.23
  6. Step 6: Final answer
    x = 464,065.47

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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.