Home / 651,372.48-899,332.83-406,729.80

Finding the Fourth Proportional to 651,372.48, 899,332.83 and 406,729.80

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Solution

The fourth proportional to 651,372.48, 899,332.83 and 406,729.80 is: 561,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,372.48 : 899,332.83 = 406,729.80 : x
  2. Step 2: Convert to fraction form
    651,372.48/899,332.83 = 406,729.80/x
  3. Step 3: Cross multiply
    651,372.48x = 899,332.83 × 406,729.80
  4. Step 4: Simplify right side
    651,372.48x = 365,785,462,079.33
  5. Step 5: Solve for x
    x = 365,785,462,079.33/651,372.48
  6. Step 6: Final answer
    x = 561,561.12

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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.