Home / 768,136.41-1,152,113.76-482,984.82

Finding the Fourth Proportional to 768,136.41, 1,152,113.76 and 482,984.82

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Solution

The fourth proportional to 768,136.41, 1,152,113.76 and 482,984.82 is: 724,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,136.41 : 1,152,113.76 = 482,984.82 : x
  2. Step 2: Convert to fraction form
    768,136.41/1,152,113.76 = 482,984.82/x
  3. Step 3: Cross multiply
    768,136.41x = 1,152,113.76 × 482,984.82
  4. Step 4: Simplify right side
    768,136.41x = 556,453,456,993.12
  5. Step 5: Solve for x
    x = 556,453,456,993.12/768,136.41
  6. Step 6: Final answer
    x = 724,420.10

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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.