Home / 765,690.65-1,146,529.38-539,828.21

Finding the Fourth Proportional to 765,690.65, 1,146,529.38 and 539,828.21

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Solution

The fourth proportional to 765,690.65, 1,146,529.38 and 539,828.21 is: 808,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,690.65 : 1,146,529.38 = 539,828.21 : x
  2. Step 2: Convert to fraction form
    765,690.65/1,146,529.38 = 539,828.21/x
  3. Step 3: Cross multiply
    765,690.65x = 1,146,529.38 × 539,828.21
  4. Step 4: Simplify right side
    765,690.65x = 618,928,902,917.81
  5. Step 5: Solve for x
    x = 618,928,902,917.81/765,690.65
  6. Step 6: Final answer
    x = 808,327.62

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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.