Home / 907,404.72-1,360,319.44-457,749.96

Finding the Fourth Proportional to 907,404.72, 1,360,319.44 and 457,749.96

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Solution

The fourth proportional to 907,404.72, 1,360,319.44 and 457,749.96 is: 686,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,404.72 : 1,360,319.44 = 457,749.96 : x
  2. Step 2: Convert to fraction form
    907,404.72/1,360,319.44 = 457,749.96/x
  3. Step 3: Cross multiply
    907,404.72x = 1,360,319.44 × 457,749.96
  4. Step 4: Simplify right side
    907,404.72x = 622,686,169,247.22
  5. Step 5: Solve for x
    x = 622,686,169,247.22/907,404.72
  6. Step 6: Final answer
    x = 686,227.61

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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.