Home / 427,829.48-590,219.30-257,969.24

Finding the Fourth Proportional to 427,829.48, 590,219.30 and 257,969.24

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Solution

The fourth proportional to 427,829.48, 590,219.30 and 257,969.24 is: 355,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,829.48 : 590,219.30 = 257,969.24 : x
  2. Step 2: Convert to fraction form
    427,829.48/590,219.30 = 257,969.24/x
  3. Step 3: Cross multiply
    427,829.48x = 590,219.30 × 257,969.24
  4. Step 4: Simplify right side
    427,829.48x = 152,258,424,254.33
  5. Step 5: Solve for x
    x = 152,258,424,254.33/427,829.48
  6. Step 6: Final answer
    x = 355,885.77

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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.