Home / 750,278.77-1,035,288.17-427,969.64

Finding the Fourth Proportional to 750,278.77, 1,035,288.17 and 427,969.64

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Solution

The fourth proportional to 750,278.77, 1,035,288.17 and 427,969.64 is: 590,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,278.77 : 1,035,288.17 = 427,969.64 : x
  2. Step 2: Convert to fraction form
    750,278.77/1,035,288.17 = 427,969.64/x
  3. Step 3: Cross multiply
    750,278.77x = 1,035,288.17 × 427,969.64
  4. Step 4: Simplify right side
    750,278.77x = 443,071,907,464.42
  5. Step 5: Solve for x
    x = 443,071,907,464.42/750,278.77
  6. Step 6: Final answer
    x = 590,543.04

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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.