Home / 760,552.77-1,049,563.05-421,021.02

Finding the Fourth Proportional to 760,552.77, 1,049,563.05 and 421,021.02

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Solution

The fourth proportional to 760,552.77, 1,049,563.05 and 421,021.02 is: 581,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,552.77 : 1,049,563.05 = 421,021.02 : x
  2. Step 2: Convert to fraction form
    760,552.77/1,049,563.05 = 421,021.02/x
  3. Step 3: Cross multiply
    760,552.77x = 1,049,563.05 × 421,021.02
  4. Step 4: Simplify right side
    760,552.77x = 441,888,105,865.31
  5. Step 5: Solve for x
    x = 441,888,105,865.31/760,552.77
  6. Step 6: Final answer
    x = 581,009.13

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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.