Home / 750,107.64-1,034,943.84-427,700.16

Finding the Fourth Proportional to 750,107.64, 1,034,943.84 and 427,700.16

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Solution

The fourth proportional to 750,107.64, 1,034,943.84 and 427,700.16 is: 590,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,107.64 : 1,034,943.84 = 427,700.16 : x
  2. Step 2: Convert to fraction form
    750,107.64/1,034,943.84 = 427,700.16/x
  3. Step 3: Cross multiply
    750,107.64x = 1,034,943.84 × 427,700.16
  4. Step 4: Simplify right side
    750,107.64x = 442,645,645,959.01
  5. Step 5: Solve for x
    x = 442,645,645,959.01/750,107.64
  6. Step 6: Final answer
    x = 590,109.50

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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.