Home / 875,342.30-1,313,153.37-369,908.10

Finding the Fourth Proportional to 875,342.30, 1,313,153.37 and 369,908.10

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Solution

The fourth proportional to 875,342.30, 1,313,153.37 and 369,908.10 is: 554,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,342.30 : 1,313,153.37 = 369,908.10 : x
  2. Step 2: Convert to fraction form
    875,342.30/1,313,153.37 = 369,908.10/x
  3. Step 3: Cross multiply
    875,342.30x = 1,313,153.37 × 369,908.10
  4. Step 4: Simplify right side
    875,342.30x = 485,746,068,105.30
  5. Step 5: Solve for x
    x = 485,746,068,105.30/875,342.30
  6. Step 6: Final answer
    x = 554,921.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.