Home / 657,350.16-907,143.26-355,544.16

Finding the Fourth Proportional to 657,350.16, 907,143.26 and 355,544.16

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Solution

The fourth proportional to 657,350.16, 907,143.26 and 355,544.16 is: 490,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,350.16 : 907,143.26 = 355,544.16 : x
  2. Step 2: Convert to fraction form
    657,350.16/907,143.26 = 355,544.16/x
  3. Step 3: Cross multiply
    657,350.16x = 907,143.26 × 355,544.16
  4. Step 4: Simplify right side
    657,350.16x = 322,529,488,376.36
  5. Step 5: Solve for x
    x = 322,529,488,376.36/657,350.16
  6. Step 6: Final answer
    x = 490,650.96

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1.5x scale

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.