Home / 704,608.40-1,056,913.32-330,631.76

Finding the Fourth Proportional to 704,608.40, 1,056,913.32 and 330,631.76

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Solution

The fourth proportional to 704,608.40, 1,056,913.32 and 330,631.76 is: 495,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,608.40 : 1,056,913.32 = 330,631.76 : x
  2. Step 2: Convert to fraction form
    704,608.40/1,056,913.32 = 330,631.76/x
  3. Step 3: Cross multiply
    704,608.40x = 1,056,913.32 × 330,631.76
  4. Step 4: Simplify right side
    704,608.40x = 349,449,111,159.04
  5. Step 5: Solve for x
    x = 349,449,111,159.04/704,608.40
  6. Step 6: Final answer
    x = 495,947.98

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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.