Home / 651,181.80-976,724.10-272,004.60

Finding the Fourth Proportional to 651,181.80, 976,724.10 and 272,004.60

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Solution

The fourth proportional to 651,181.80, 976,724.10 and 272,004.60 is: 407,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,181.80 : 976,724.10 = 272,004.60 : x
  2. Step 2: Convert to fraction form
    651,181.80/976,724.10 = 272,004.60/x
  3. Step 3: Cross multiply
    651,181.80x = 976,724.10 × 272,004.60
  4. Step 4: Simplify right side
    651,181.80x = 265,673,448,130.86
  5. Step 5: Solve for x
    x = 265,673,448,130.86/651,181.80
  6. Step 6: Final answer
    x = 407,986.60

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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.