Home / 742,789.65-1,114,060.41-210,178.74

Finding the Fourth Proportional to 742,789.65, 1,114,060.41 and 210,178.74

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Solution

The fourth proportional to 742,789.65, 1,114,060.41 and 210,178.74 is: 315,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,789.65 : 1,114,060.41 = 210,178.74 : x
  2. Step 2: Convert to fraction form
    742,789.65/1,114,060.41 = 210,178.74/x
  3. Step 3: Cross multiply
    742,789.65x = 1,114,060.41 × 210,178.74
  4. Step 4: Simplify right side
    742,789.65x = 234,151,813,257.68
  5. Step 5: Solve for x
    x = 234,151,813,257.68/742,789.65
  6. Step 6: Final answer
    x = 315,233.00

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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.