Home / 959,693.31-1,439,535.83-390,947.58

Finding the Fourth Proportional to 959,693.31, 1,439,535.83 and 390,947.58

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Solution

The fourth proportional to 959,693.31, 1,439,535.83 and 390,947.58 is: 586,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,693.31 : 1,439,535.83 = 390,947.58 : x
  2. Step 2: Convert to fraction form
    959,693.31/1,439,535.83 = 390,947.58/x
  3. Step 3: Cross multiply
    959,693.31x = 1,439,535.83 × 390,947.58
  4. Step 4: Simplify right side
    959,693.31x = 562,783,047,107.05
  5. Step 5: Solve for x
    x = 562,783,047,107.05/959,693.31
  6. Step 6: Final answer
    x = 586,419.68

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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.