Home / 770,541.24-1,063,426.95-443,865.54

Finding the Fourth Proportional to 770,541.24, 1,063,426.95 and 443,865.54

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Solution

The fourth proportional to 770,541.24, 1,063,426.95 and 443,865.54 is: 612,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,541.24 : 1,063,426.95 = 443,865.54 : x
  2. Step 2: Convert to fraction form
    770,541.24/1,063,426.95 = 443,865.54/x
  3. Step 3: Cross multiply
    770,541.24x = 1,063,426.95 × 443,865.54
  4. Step 4: Simplify right side
    770,541.24x = 472,018,577,412.30
  5. Step 5: Solve for x
    x = 472,018,577,412.30/770,541.24
  6. Step 6: Final answer
    x = 612,580.55

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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.