Home / 657,023.10-985,246.65-301,919.10

Finding the Fourth Proportional to 657,023.10, 985,246.65 and 301,919.10

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Solution

The fourth proportional to 657,023.10, 985,246.65 and 301,919.10 is: 452,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,023.10 : 985,246.65 = 301,919.10 : x
  2. Step 2: Convert to fraction form
    657,023.10/985,246.65 = 301,919.10/x
  3. Step 3: Cross multiply
    657,023.10x = 985,246.65 × 301,919.10
  4. Step 4: Simplify right side
    657,023.10x = 297,464,781,846.02
  5. Step 5: Solve for x
    x = 297,464,781,846.02/657,023.10
  6. Step 6: Final answer
    x = 452,746.31

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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.