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Finding the Fourth Proportional to 722,293.81, 996,763.52 and 416,368.49

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Solution

The fourth proportional to 722,293.81, 996,763.52 and 416,368.49 is: 574,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,293.81 : 996,763.52 = 416,368.49 : x
  2. Step 2: Convert to fraction form
    722,293.81/996,763.52 = 416,368.49/x
  3. Step 3: Cross multiply
    722,293.81x = 996,763.52 × 416,368.49
  4. Step 4: Simplify right side
    722,293.81x = 415,020,917,766.59
  5. Step 5: Solve for x
    x = 415,020,917,766.59/722,293.81
  6. Step 6: Final answer
    x = 574,587.40

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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.