Home / 990,028.08-1,366,230.72-537,319.20

Finding the Fourth Proportional to 990,028.08, 1,366,230.72 and 537,319.20

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Solution

The fourth proportional to 990,028.08, 1,366,230.72 and 537,319.20 is: 741,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,028.08 : 1,366,230.72 = 537,319.20 : x
  2. Step 2: Convert to fraction form
    990,028.08/1,366,230.72 = 537,319.20/x
  3. Step 3: Cross multiply
    990,028.08x = 1,366,230.72 × 537,319.20
  4. Step 4: Simplify right side
    990,028.08x = 734,101,997,485.82
  5. Step 5: Solve for x
    x = 734,101,997,485.82/990,028.08
  6. Step 6: Final answer
    x = 741,496.14

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Double scale
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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.