Home / 830,761.84-1,246,364.28-298,287.49

Finding the Fourth Proportional to 830,761.84, 1,246,364.28 and 298,287.49

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Solution

The fourth proportional to 830,761.84, 1,246,364.28 and 298,287.49 is: 447,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,761.84 : 1,246,364.28 = 298,287.49 : x
  2. Step 2: Convert to fraction form
    830,761.84/1,246,364.28 = 298,287.49/x
  3. Step 3: Cross multiply
    830,761.84x = 1,246,364.28 × 298,287.49
  4. Step 4: Simplify right side
    830,761.84x = 371,774,872,706.86
  5. Step 5: Solve for x
    x = 371,774,872,706.86/830,761.84
  6. Step 6: Final answer
    x = 447,510.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.