Home / 891,346.96-1,230,535.40-697,342.28

Finding the Fourth Proportional to 891,346.96, 1,230,535.40 and 697,342.28

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Solution

The fourth proportional to 891,346.96, 1,230,535.40 and 697,342.28 is: 962,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,346.96 : 1,230,535.40 = 697,342.28 : x
  2. Step 2: Convert to fraction form
    891,346.96/1,230,535.40 = 697,342.28/x
  3. Step 3: Cross multiply
    891,346.96x = 1,230,535.40 × 697,342.28
  4. Step 4: Simplify right side
    891,346.96x = 858,104,361,456.71
  5. Step 5: Solve for x
    x = 858,104,361,456.71/891,346.96
  6. Step 6: Final answer
    x = 962,705.21

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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.