Home / 1,011,410.10-1,517,336.69-380,323.94

Finding the Fourth Proportional to 1,011,410.10, 1,517,336.69 and 380,323.94

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Solution

The fourth proportional to 1,011,410.10, 1,517,336.69 and 380,323.94 is: 570,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,410.10 : 1,517,336.69 = 380,323.94 : x
  2. Step 2: Convert to fraction form
    1,011,410.10/1,517,336.69 = 380,323.94/x
  3. Step 3: Cross multiply
    1,011,410.10x = 1,517,336.69 × 380,323.94
  4. Step 4: Simplify right side
    1,011,410.10x = 577,079,458,759.06
  5. Step 5: Solve for x
    x = 577,079,458,759.06/1,011,410.10
  6. Step 6: Final answer
    x = 570,569.21

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Double scale
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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.