Home / 949,238.61-1,309,952.75-513,655.96

Finding the Fourth Proportional to 949,238.61, 1,309,952.75 and 513,655.96

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Solution

The fourth proportional to 949,238.61, 1,309,952.75 and 513,655.96 is: 708,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,238.61 : 1,309,952.75 = 513,655.96 : x
  2. Step 2: Convert to fraction form
    949,238.61/1,309,952.75 = 513,655.96/x
  3. Step 3: Cross multiply
    949,238.61x = 1,309,952.75 × 513,655.96
  4. Step 4: Simplify right side
    949,238.61x = 672,865,038,302.86
  5. Step 5: Solve for x
    x = 672,865,038,302.86/949,238.61
  6. Step 6: Final answer
    x = 708,847.10

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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.