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Finding the Fourth Proportional to 722,613.02, 996,804.23 and 569,085.62

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Solution

The fourth proportional to 722,613.02, 996,804.23 and 569,085.62 is: 785,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,613.02 : 996,804.23 = 569,085.62 : x
  2. Step 2: Convert to fraction form
    722,613.02/996,804.23 = 569,085.62/x
  3. Step 3: Cross multiply
    722,613.02x = 996,804.23 × 569,085.62
  4. Step 4: Simplify right side
    722,613.02x = 567,266,945,418.72
  5. Step 5: Solve for x
    x = 567,266,945,418.72/722,613.02
  6. Step 6: Final answer
    x = 785,021.77

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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.