Home / 668,430.24-1,002,038.47-247,410.88

Finding the Fourth Proportional to 668,430.24, 1,002,038.47 and 247,410.88

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Solution

The fourth proportional to 668,430.24, 1,002,038.47 and 247,410.88 is: 370,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,430.24 : 1,002,038.47 = 247,410.88 : x
  2. Step 2: Convert to fraction form
    668,430.24/1,002,038.47 = 247,410.88/x
  3. Step 3: Cross multiply
    668,430.24x = 1,002,038.47 × 247,410.88
  4. Step 4: Simplify right side
    668,430.24x = 247,915,219,656.55
  5. Step 5: Solve for x
    x = 247,915,219,656.55/668,430.24
  6. Step 6: Final answer
    x = 370,891.69

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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.