Home / 760,833.10-1,049,981.32-421,301.34

Finding the Fourth Proportional to 760,833.10, 1,049,981.32 and 421,301.34

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Solution

The fourth proportional to 760,833.10, 1,049,981.32 and 421,301.34 is: 581,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,833.10 : 1,049,981.32 = 421,301.34 : x
  2. Step 2: Convert to fraction form
    760,833.10/1,049,981.32 = 421,301.34/x
  3. Step 3: Cross multiply
    760,833.10x = 1,049,981.32 × 421,301.34
  4. Step 4: Simplify right side
    760,833.10x = 442,358,537,090.97
  5. Step 5: Solve for x
    x = 442,358,537,090.97/760,833.10
  6. Step 6: Final answer
    x = 581,413.37

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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.