Home / 760,726.69-1,049,835.63-421,194.94

Finding the Fourth Proportional to 760,726.69, 1,049,835.63 and 421,194.94

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Solution

The fourth proportional to 760,726.69, 1,049,835.63 and 421,194.94 is: 581,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,726.69 : 1,049,835.63 = 421,194.94 : x
  2. Step 2: Convert to fraction form
    760,726.69/1,049,835.63 = 421,194.94/x
  3. Step 3: Cross multiply
    760,726.69x = 1,049,835.63 × 421,194.94
  4. Step 4: Simplify right side
    760,726.69x = 442,185,454,142.60
  5. Step 5: Solve for x
    x = 442,185,454,142.60/760,726.69
  6. Step 6: Final answer
    x = 581,267.18

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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.