Home / 912,601.55-1,367,937-343,736.51

Finding the Fourth Proportional to 912,601.55, 1,367,937 and 343,736.51

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Solution

The fourth proportional to 912,601.55, 1,367,937 and 343,736.51 is: 515,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,601.55 : 1,367,937 = 343,736.51 : x
  2. Step 2: Convert to fraction form
    912,601.55/1,367,937 = 343,736.51/x
  3. Step 3: Cross multiply
    912,601.55x = 1,367,937 × 343,736.51
  4. Step 4: Simplify right side
    912,601.55x = 470,209,883,440.19
  5. Step 5: Solve for x
    x = 470,209,883,440.19/912,601.55
  6. Step 6: Final answer
    x = 515,241.16

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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.