Home / 858,298.62-1,185,435.14-565,258.31

Finding the Fourth Proportional to 858,298.62, 1,185,435.14 and 565,258.31

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Solution

The fourth proportional to 858,298.62, 1,185,435.14 and 565,258.31 is: 780,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,298.62 : 1,185,435.14 = 565,258.31 : x
  2. Step 2: Convert to fraction form
    858,298.62/1,185,435.14 = 565,258.31/x
  3. Step 3: Cross multiply
    858,298.62x = 1,185,435.14 × 565,258.31
  4. Step 4: Simplify right side
    858,298.62x = 670,077,055,097.55
  5. Step 5: Solve for x
    x = 670,077,055,097.55/858,298.62
  6. Step 6: Final answer
    x = 780,703.87

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1.5x scale

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.