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Finding the Fourth Proportional to 692,058.33, 955,040.63 and 390,252.33

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Solution

The fourth proportional to 692,058.33, 955,040.63 and 390,252.33 is: 538,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,058.33 : 955,040.63 = 390,252.33 : x
  2. Step 2: Convert to fraction form
    692,058.33/955,040.63 = 390,252.33/x
  3. Step 3: Cross multiply
    692,058.33x = 955,040.63 × 390,252.33
  4. Step 4: Simplify right side
    692,058.33x = 372,706,829,150.91
  5. Step 5: Solve for x
    x = 372,706,829,150.91/692,058.33
  6. Step 6: Final answer
    x = 538,548.29

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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.