Home / 881,346.48-1,216,252.44-478,938.48

Finding the Fourth Proportional to 881,346.48, 1,216,252.44 and 478,938.48

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Solution

The fourth proportional to 881,346.48, 1,216,252.44 and 478,938.48 is: 660,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,346.48 : 1,216,252.44 = 478,938.48 : x
  2. Step 2: Convert to fraction form
    881,346.48/1,216,252.44 = 478,938.48/x
  3. Step 3: Cross multiply
    881,346.48x = 1,216,252.44 × 478,938.48
  4. Step 4: Simplify right side
    881,346.48x = 582,510,094,909.89
  5. Step 5: Solve for x
    x = 582,510,094,909.89/881,346.48
  6. Step 6: Final answer
    x = 660,932.00

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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.