Home / 753,106.83-1,127,731.57-415,773.01

Finding the Fourth Proportional to 753,106.83, 1,127,731.57 and 415,773.01

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Solution

The fourth proportional to 753,106.83, 1,127,731.57 and 415,773.01 is: 622,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,106.83 : 1,127,731.57 = 415,773.01 : x
  2. Step 2: Convert to fraction form
    753,106.83/1,127,731.57 = 415,773.01/x
  3. Step 3: Cross multiply
    753,106.83x = 1,127,731.57 × 415,773.01
  4. Step 4: Simplify right side
    753,106.83x = 468,880,349,330.93
  5. Step 5: Solve for x
    x = 468,880,349,330.93/753,106.83
  6. Step 6: Final answer
    x = 622,594.74

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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.