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Finding the Fourth Proportional to 893,165.50, 1,341,471.58 and 765,371.50

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Solution

The fourth proportional to 893,165.50, 1,341,471.58 and 765,371.50 is: 1,149,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,165.50 : 1,341,471.58 = 765,371.50 : x
  2. Step 2: Convert to fraction form
    893,165.50/1,341,471.58 = 765,371.50/x
  3. Step 3: Cross multiply
    893,165.50x = 1,341,471.58 × 765,371.50
  4. Step 4: Simplify right side
    893,165.50x = 1,026,724,110,124.86
  5. Step 5: Solve for x
    x = 1,026,724,110,124.86/893,165.50
  6. Step 6: Final answer
    x = 1,149,534.00

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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.