Home / 429,769.02-643,603.50-370,982.46

Finding the Fourth Proportional to 429,769.02, 643,603.50 and 370,982.46

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Solution

The fourth proportional to 429,769.02, 643,603.50 and 370,982.46 is: 555,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,769.02 : 643,603.50 = 370,982.46 : x
  2. Step 2: Convert to fraction form
    429,769.02/643,603.50 = 370,982.46/x
  3. Step 3: Cross multiply
    429,769.02x = 643,603.50 × 370,982.46
  4. Step 4: Simplify right side
    429,769.02x = 238,765,609,694.61
  5. Step 5: Solve for x
    x = 238,765,609,694.61/429,769.02
  6. Step 6: Final answer
    x = 555,567.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.