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Finding the Fourth Proportional to 590,772.90, 885,831.30 and 235,385.40

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Solution

The fourth proportional to 590,772.90, 885,831.30 and 235,385.40 is: 352,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,772.90 : 885,831.30 = 235,385.40 : x
  2. Step 2: Convert to fraction form
    590,772.90/885,831.30 = 235,385.40/x
  3. Step 3: Cross multiply
    590,772.90x = 885,831.30 × 235,385.40
  4. Step 4: Simplify right side
    590,772.90x = 208,511,754,883.02
  5. Step 5: Solve for x
    x = 208,511,754,883.02/590,772.90
  6. Step 6: Final answer
    x = 352,947.39

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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.