Home / 697,360.39-1,045,634.11-270,397.39

Finding the Fourth Proportional to 697,360.39, 1,045,634.11 and 270,397.39

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Solution

The fourth proportional to 697,360.39, 1,045,634.11 and 270,397.39 is: 405,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,360.39 : 1,045,634.11 = 270,397.39 : x
  2. Step 2: Convert to fraction form
    697,360.39/1,045,634.11 = 270,397.39/x
  3. Step 3: Cross multiply
    697,360.39x = 1,045,634.11 × 270,397.39
  4. Step 4: Simplify right side
    697,360.39x = 282,736,734,430.44
  5. Step 5: Solve for x
    x = 282,736,734,430.44/697,360.39
  6. Step 6: Final answer
    x = 405,438.48

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Double scale
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1.5x scale

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.