Home / 469,741.64-648,724.02-439,648.52

Finding the Fourth Proportional to 469,741.64, 648,724.02 and 439,648.52

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Solution

The fourth proportional to 469,741.64, 648,724.02 and 439,648.52 is: 607,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,741.64 : 648,724.02 = 439,648.52 : x
  2. Step 2: Convert to fraction form
    469,741.64/648,724.02 = 439,648.52/x
  3. Step 3: Cross multiply
    469,741.64x = 648,724.02 × 439,648.52
  4. Step 4: Simplify right side
    469,741.64x = 285,210,555,281.45
  5. Step 5: Solve for x
    x = 285,210,555,281.45/469,741.64
  6. Step 6: Final answer
    x = 607,164.73

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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.