Home / 760,727.69-1,049,837.01-421,195.94

Finding the Fourth Proportional to 760,727.69, 1,049,837.01 and 421,195.94

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Solution

The fourth proportional to 760,727.69, 1,049,837.01 and 421,195.94 is: 581,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,727.69 : 1,049,837.01 = 421,195.94 : x
  2. Step 2: Convert to fraction form
    760,727.69/1,049,837.01 = 421,195.94/x
  3. Step 3: Cross multiply
    760,727.69x = 1,049,837.01 × 421,195.94
  4. Step 4: Simplify right side
    760,727.69x = 442,187,086,273.74
  5. Step 5: Solve for x
    x = 442,187,086,273.74/760,727.69
  6. Step 6: Final answer
    x = 581,268.56

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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.