Home / 723,835.36-999,012.54-401,649.25

Finding the Fourth Proportional to 723,835.36, 999,012.54 and 401,649.25

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Solution

The fourth proportional to 723,835.36, 999,012.54 and 401,649.25 is: 554,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,835.36 : 999,012.54 = 401,649.25 : x
  2. Step 2: Convert to fraction form
    723,835.36/999,012.54 = 401,649.25/x
  3. Step 3: Cross multiply
    723,835.36x = 999,012.54 × 401,649.25
  4. Step 4: Simplify right side
    723,835.36x = 401,252,634,924.48
  5. Step 5: Solve for x
    x = 401,252,634,924.48/723,835.36
  6. Step 6: Final answer
    x = 554,342.41

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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.