Home / 770,371.68-1,062,667.44-464,239.20

Finding the Fourth Proportional to 770,371.68, 1,062,667.44 and 464,239.20

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Solution

The fourth proportional to 770,371.68, 1,062,667.44 and 464,239.20 is: 640,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,371.68 : 1,062,667.44 = 464,239.20 : x
  2. Step 2: Convert to fraction form
    770,371.68/1,062,667.44 = 464,239.20/x
  3. Step 3: Cross multiply
    770,371.68x = 1,062,667.44 × 464,239.20
  4. Step 4: Simplify right side
    770,371.68x = 493,331,882,211.65
  5. Step 5: Solve for x
    x = 493,331,882,211.65/770,371.68
  6. Step 6: Final answer
    x = 640,381.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.