Home / 740,222.32-1,110,309.56-313,644.16

Finding the Fourth Proportional to 740,222.32, 1,110,309.56 and 313,644.16

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Solution

The fourth proportional to 740,222.32, 1,110,309.56 and 313,644.16 is: 470,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,222.32 : 1,110,309.56 = 313,644.16 : x
  2. Step 2: Convert to fraction form
    740,222.32/1,110,309.56 = 313,644.16/x
  3. Step 3: Cross multiply
    740,222.32x = 1,110,309.56 × 313,644.16
  4. Step 4: Simplify right side
    740,222.32x = 348,242,109,286.17
  5. Step 5: Solve for x
    x = 348,242,109,286.17/740,222.32
  6. Step 6: Final answer
    x = 470,456.10

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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.