Home / 727,707.36-1,091,677.68-307,045.20

Finding the Fourth Proportional to 727,707.36, 1,091,677.68 and 307,045.20

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Solution

The fourth proportional to 727,707.36, 1,091,677.68 and 307,045.20 is: 460,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,707.36 : 1,091,677.68 = 307,045.20 : x
  2. Step 2: Convert to fraction form
    727,707.36/1,091,677.68 = 307,045.20/x
  3. Step 3: Cross multiply
    727,707.36x = 1,091,677.68 × 307,045.20
  4. Step 4: Simplify right side
    727,707.36x = 335,194,391,591.14
  5. Step 5: Solve for x
    x = 335,194,391,591.14/727,707.36
  6. Step 6: Final answer
    x = 460,617.01

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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.