Home / 759,258.50-1,047,685.77-419,680.58

Finding the Fourth Proportional to 759,258.50, 1,047,685.77 and 419,680.58

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Solution

The fourth proportional to 759,258.50, 1,047,685.77 and 419,680.58 is: 579,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,258.50 : 1,047,685.77 = 419,680.58 : x
  2. Step 2: Convert to fraction form
    759,258.50/1,047,685.77 = 419,680.58/x
  3. Step 3: Cross multiply
    759,258.50x = 1,047,685.77 × 419,680.58
  4. Step 4: Simplify right side
    759,258.50x = 439,693,371,611.35
  5. Step 5: Solve for x
    x = 439,693,371,611.35/759,258.50
  6. Step 6: Final answer
    x = 579,108.92

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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.