Home / 740,047.50-1,021,269.74-413,374.25

Finding the Fourth Proportional to 740,047.50, 1,021,269.74 and 413,374.25

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Solution

The fourth proportional to 740,047.50, 1,021,269.74 and 413,374.25 is: 570,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,047.50 : 1,021,269.74 = 413,374.25 : x
  2. Step 2: Convert to fraction form
    740,047.50/1,021,269.74 = 413,374.25/x
  3. Step 3: Cross multiply
    740,047.50x = 1,021,269.74 × 413,374.25
  4. Step 4: Simplify right side
    740,047.50x = 422,166,613,306.50
  5. Step 5: Solve for x
    x = 422,166,613,306.50/740,047.50
  6. Step 6: Final answer
    x = 570,458.81

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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.