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Finding the Fourth Proportional to 554,300.40, 829,370.52 and 328,835.28

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Solution

The fourth proportional to 554,300.40, 829,370.52 and 328,835.28 is: 492,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,300.40 : 829,370.52 = 328,835.28 : x
  2. Step 2: Convert to fraction form
    554,300.40/829,370.52 = 328,835.28/x
  3. Step 3: Cross multiply
    554,300.40x = 829,370.52 × 328,835.28
  4. Step 4: Simplify right side
    554,300.40x = 272,726,287,167.95
  5. Step 5: Solve for x
    x = 272,726,287,167.95/554,300.40
  6. Step 6: Final answer
    x = 492,018.93

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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.