Home / 802,607.13-1,107,597.51-440,023.19

Finding the Fourth Proportional to 802,607.13, 1,107,597.51 and 440,023.19

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Solution

The fourth proportional to 802,607.13, 1,107,597.51 and 440,023.19 is: 607,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,607.13 : 1,107,597.51 = 440,023.19 : x
  2. Step 2: Convert to fraction form
    802,607.13/1,107,597.51 = 440,023.19/x
  3. Step 3: Cross multiply
    802,607.13x = 1,107,597.51 × 440,023.19
  4. Step 4: Simplify right side
    802,607.13x = 487,368,584,048.27
  5. Step 5: Solve for x
    x = 487,368,584,048.27/802,607.13
  6. Step 6: Final answer
    x = 607,231.81

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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.