Home / 758,545.49-1,137,984.38-285,230.84

Finding the Fourth Proportional to 758,545.49, 1,137,984.38 and 285,230.84

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Solution

The fourth proportional to 758,545.49, 1,137,984.38 and 285,230.84 is: 427,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,545.49 : 1,137,984.38 = 285,230.84 : x
  2. Step 2: Convert to fraction form
    758,545.49/1,137,984.38 = 285,230.84/x
  3. Step 3: Cross multiply
    758,545.49x = 1,137,984.38 × 285,230.84
  4. Step 4: Simplify right side
    758,545.49x = 324,588,242,033.09
  5. Step 5: Solve for x
    x = 324,588,242,033.09/758,545.49
  6. Step 6: Final answer
    x = 427,908.74

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Double scale
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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.