Home / 947,348-1,307,923.44-608,413.76

Finding the Fourth Proportional to 947,348, 1,307,923.44 and 608,413.76

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Solution

The fourth proportional to 947,348, 1,307,923.44 and 608,413.76 is: 839,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,348 : 1,307,923.44 = 608,413.76 : x
  2. Step 2: Convert to fraction form
    947,348/1,307,923.44 = 608,413.76/x
  3. Step 3: Cross multiply
    947,348x = 1,307,923.44 × 608,413.76
  4. Step 4: Simplify right side
    947,348x = 795,758,617,922.53
  5. Step 5: Solve for x
    x = 795,758,617,922.53/947,348
  6. Step 6: Final answer
    x = 839,985.54

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Double scale
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Similar ratio
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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.