Home / 628,895.98-943,332.81-155,581.30

Finding the Fourth Proportional to 628,895.98, 943,332.81 and 155,581.30

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Solution

The fourth proportional to 628,895.98, 943,332.81 and 155,581.30 is: 233,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,895.98 : 943,332.81 = 155,581.30 : x
  2. Step 2: Convert to fraction form
    628,895.98/943,332.81 = 155,581.30/x
  3. Step 3: Cross multiply
    628,895.98x = 943,332.81 × 155,581.30
  4. Step 4: Simplify right side
    628,895.98x = 146,764,944,912.45
  5. Step 5: Solve for x
    x = 146,764,944,912.45/628,895.98
  6. Step 6: Final answer
    x = 233,369.19

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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.