Home / 948,742.66-1,421,785.35-498,789.28

Finding the Fourth Proportional to 948,742.66, 1,421,785.35 and 498,789.28

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Solution

The fourth proportional to 948,742.66, 1,421,785.35 and 498,789.28 is: 747,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,742.66 : 1,421,785.35 = 498,789.28 : x
  2. Step 2: Convert to fraction form
    948,742.66/1,421,785.35 = 498,789.28/x
  3. Step 3: Cross multiply
    948,742.66x = 1,421,785.35 × 498,789.28
  4. Step 4: Simplify right side
    948,742.66x = 709,171,287,486.59
  5. Step 5: Solve for x
    x = 709,171,287,486.59/948,742.66
  6. Step 6: Final answer
    x = 747,485.40

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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.