Home / 881,006.48-1,215,685.84-518,350.64

Finding the Fourth Proportional to 881,006.48, 1,215,685.84 and 518,350.64

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Solution

The fourth proportional to 881,006.48, 1,215,685.84 and 518,350.64 is: 715,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,006.48 : 1,215,685.84 = 518,350.64 : x
  2. Step 2: Convert to fraction form
    881,006.48/1,215,685.84 = 518,350.64/x
  3. Step 3: Cross multiply
    881,006.48x = 1,215,685.84 × 518,350.64
  4. Step 4: Simplify right side
    881,006.48x = 630,151,533,202.94
  5. Step 5: Solve for x
    x = 630,151,533,202.94/881,006.48
  6. Step 6: Final answer
    x = 715,263.22

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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.