Home / 651,635.98-899,243.04-379,686.94

Finding the Fourth Proportional to 651,635.98, 899,243.04 and 379,686.94

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Solution

The fourth proportional to 651,635.98, 899,243.04 and 379,686.94 is: 523,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,635.98 : 899,243.04 = 379,686.94 : x
  2. Step 2: Convert to fraction form
    651,635.98/899,243.04 = 379,686.94/x
  3. Step 3: Cross multiply
    651,635.98x = 899,243.04 × 379,686.94
  4. Step 4: Simplify right side
    651,635.98x = 341,430,838,173.90
  5. Step 5: Solve for x
    x = 341,430,838,173.90/651,635.98
  6. Step 6: Final answer
    x = 523,959.46

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1.5x scale

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.