Home / 757,980.48-1,136,370.96-284,613.12

Finding the Fourth Proportional to 757,980.48, 1,136,370.96 and 284,613.12

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Solution

The fourth proportional to 757,980.48, 1,136,370.96 and 284,613.12 is: 426,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,980.48 : 1,136,370.96 = 284,613.12 : x
  2. Step 2: Convert to fraction form
    757,980.48/1,136,370.96 = 284,613.12/x
  3. Step 3: Cross multiply
    757,980.48x = 1,136,370.96 × 284,613.12
  4. Step 4: Simplify right side
    757,980.48x = 323,426,084,403.00
  5. Step 5: Solve for x
    x = 323,426,084,403.00/757,980.48
  6. Step 6: Final answer
    x = 426,694.48

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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.