Home / 993,397.05-1,370,917.20-703,527.21

Finding the Fourth Proportional to 993,397.05, 1,370,917.20 and 703,527.21

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Solution

The fourth proportional to 993,397.05, 1,370,917.20 and 703,527.21 is: 970,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,397.05 : 1,370,917.20 = 703,527.21 : x
  2. Step 2: Convert to fraction form
    993,397.05/1,370,917.20 = 703,527.21/x
  3. Step 3: Cross multiply
    993,397.05x = 1,370,917.20 × 703,527.21
  4. Step 4: Simplify right side
    993,397.05x = 964,477,552,857.01
  5. Step 5: Solve for x
    x = 964,477,552,857.01/993,397.05
  6. Step 6: Final answer
    x = 970,888.28

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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.