Home / 769,927.50-1,154,871.81-208,947.42

Finding the Fourth Proportional to 769,927.50, 1,154,871.81 and 208,947.42

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Solution

The fourth proportional to 769,927.50, 1,154,871.81 and 208,947.42 is: 313,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,927.50 : 1,154,871.81 = 208,947.42 : x
  2. Step 2: Convert to fraction form
    769,927.50/1,154,871.81 = 208,947.42/x
  3. Step 3: Cross multiply
    769,927.50x = 1,154,871.81 × 208,947.42
  4. Step 4: Simplify right side
    769,927.50x = 241,307,485,130.23
  5. Step 5: Solve for x
    x = 241,307,485,130.23/769,927.50
  6. Step 6: Final answer
    x = 313,415.85

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1.5x scale

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.