Home / 427,825.48-590,213.83-257,965.24

Finding the Fourth Proportional to 427,825.48, 590,213.83 and 257,965.24

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Solution

The fourth proportional to 427,825.48, 590,213.83 and 257,965.24 is: 355,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,825.48 : 590,213.83 = 257,965.24 : x
  2. Step 2: Convert to fraction form
    427,825.48/590,213.83 = 257,965.24/x
  3. Step 3: Cross multiply
    427,825.48x = 590,213.83 × 257,965.24
  4. Step 4: Simplify right side
    427,825.48x = 152,254,652,307.27
  5. Step 5: Solve for x
    x = 152,254,652,307.27/427,825.48
  6. Step 6: Final answer
    x = 355,880.28

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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.