Home / 760,696.18-1,049,831.15-421,164.43

Finding the Fourth Proportional to 760,696.18, 1,049,831.15 and 421,164.43

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Solution

The fourth proportional to 760,696.18, 1,049,831.15 and 421,164.43 is: 581,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,696.18 : 1,049,831.15 = 421,164.43 : x
  2. Step 2: Convert to fraction form
    760,696.18/1,049,831.15 = 421,164.43/x
  3. Step 3: Cross multiply
    760,696.18x = 1,049,831.15 × 421,164.43
  4. Step 4: Simplify right side
    760,696.18x = 442,151,537,885.99
  5. Step 5: Solve for x
    x = 442,151,537,885.99/760,696.18
  6. Step 6: Final answer
    x = 581,245.90

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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.