Home / 727,401.33-1,003,844.95-405,111.38

Finding the Fourth Proportional to 727,401.33, 1,003,844.95 and 405,111.38

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Solution

The fourth proportional to 727,401.33, 1,003,844.95 and 405,111.38 is: 559,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,401.33 : 1,003,844.95 = 405,111.38 : x
  2. Step 2: Convert to fraction form
    727,401.33/1,003,844.95 = 405,111.38/x
  3. Step 3: Cross multiply
    727,401.33x = 1,003,844.95 × 405,111.38
  4. Step 4: Simplify right side
    727,401.33x = 406,669,006,968.53
  5. Step 5: Solve for x
    x = 406,669,006,968.53/727,401.33
  6. Step 6: Final answer
    x = 559,071.02

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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.