Home / 990,093.64-1,366,325.78-537,384.64

Finding the Fourth Proportional to 990,093.64, 1,366,325.78 and 537,384.64

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Solution

The fourth proportional to 990,093.64, 1,366,325.78 and 537,384.64 is: 741,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,093.64 : 1,366,325.78 = 537,384.64 : x
  2. Step 2: Convert to fraction form
    990,093.64/1,366,325.78 = 537,384.64/x
  3. Step 3: Cross multiply
    990,093.64x = 1,366,325.78 × 537,384.64
  4. Step 4: Simplify right side
    990,093.64x = 734,242,487,408.02
  5. Step 5: Solve for x
    x = 734,242,487,408.02/990,093.64
  6. Step 6: Final answer
    x = 741,588.93

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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.