Home / 650,985.12-976,004.53-272,014.34

Finding the Fourth Proportional to 650,985.12, 976,004.53 and 272,014.34

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Solution

The fourth proportional to 650,985.12, 976,004.53 and 272,014.34 is: 407,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,985.12 : 976,004.53 = 272,014.34 : x
  2. Step 2: Convert to fraction form
    650,985.12/976,004.53 = 272,014.34/x
  3. Step 3: Cross multiply
    650,985.12x = 976,004.53 × 272,014.34
  4. Step 4: Simplify right side
    650,985.12x = 265,487,222,504.90
  5. Step 5: Solve for x
    x = 265,487,222,504.90/650,985.12
  6. Step 6: Final answer
    x = 407,823.80

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1.5x scale

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.