Home / 727,117.55-1,090,545-253,938.23

Finding the Fourth Proportional to 727,117.55, 1,090,545 and 253,938.23

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Solution

The fourth proportional to 727,117.55, 1,090,545 and 253,938.23 is: 380,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,117.55 : 1,090,545 = 253,938.23 : x
  2. Step 2: Convert to fraction form
    727,117.55/1,090,545 = 253,938.23/x
  3. Step 3: Cross multiply
    727,117.55x = 1,090,545 × 253,938.23
  4. Step 4: Simplify right side
    727,117.55x = 276,931,067,035.35
  5. Step 5: Solve for x
    x = 276,931,067,035.35/727,117.55
  6. Step 6: Final answer
    x = 380,861.48

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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.