Home / 429,541.88-592,781.36-257,403.12

Finding the Fourth Proportional to 429,541.88, 592,781.36 and 257,403.12

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Solution

The fourth proportional to 429,541.88, 592,781.36 and 257,403.12 is: 355,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,541.88 : 592,781.36 = 257,403.12 : x
  2. Step 2: Convert to fraction form
    429,541.88/592,781.36 = 257,403.12/x
  3. Step 3: Cross multiply
    429,541.88x = 592,781.36 × 257,403.12
  4. Step 4: Simplify right side
    429,541.88x = 152,583,771,541.84
  5. Step 5: Solve for x
    x = 152,583,771,541.84/429,541.88
  6. Step 6: Final answer
    x = 355,224.43

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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.