Home / 862,296.32-1,190,005.68-480,322.96

Finding the Fourth Proportional to 862,296.32, 1,190,005.68 and 480,322.96

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Solution

The fourth proportional to 862,296.32, 1,190,005.68 and 480,322.96 is: 662,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,296.32 : 1,190,005.68 = 480,322.96 : x
  2. Step 2: Convert to fraction form
    862,296.32/1,190,005.68 = 480,322.96/x
  3. Step 3: Cross multiply
    862,296.32x = 1,190,005.68 × 480,322.96
  4. Step 4: Simplify right side
    862,296.32x = 571,587,050,634.41
  5. Step 5: Solve for x
    x = 571,587,050,634.41/862,296.32
  6. Step 6: Final answer
    x = 662,866.16

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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.