Home / 858,293.08-1,184,074.40-518,564.50

Finding the Fourth Proportional to 858,293.08, 1,184,074.40 and 518,564.50

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Solution

The fourth proportional to 858,293.08, 1,184,074.40 and 518,564.50 is: 715,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,293.08 : 1,184,074.40 = 518,564.50 : x
  2. Step 2: Convert to fraction form
    858,293.08/1,184,074.40 = 518,564.50/x
  3. Step 3: Cross multiply
    858,293.08x = 1,184,074.40 × 518,564.50
  4. Step 4: Simplify right side
    858,293.08x = 614,018,949,198.80
  5. Step 5: Solve for x
    x = 614,018,949,198.80/858,293.08
  6. Step 6: Final answer
    x = 715,395.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.