Home / 830,724.92-1,146,399.42-448,751.64

Finding the Fourth Proportional to 830,724.92, 1,146,399.42 and 448,751.64

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Solution

The fourth proportional to 830,724.92, 1,146,399.42 and 448,751.64 is: 619,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,724.92 : 1,146,399.42 = 448,751.64 : x
  2. Step 2: Convert to fraction form
    830,724.92/1,146,399.42 = 448,751.64/x
  3. Step 3: Cross multiply
    830,724.92x = 1,146,399.42 × 448,751.64
  4. Step 4: Simplify right side
    830,724.92x = 514,448,619,820.05
  5. Step 5: Solve for x
    x = 514,448,619,820.05/830,724.92
  6. Step 6: Final answer
    x = 619,276.74

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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.