Home / 839,454.62-1,158,413.57-457,473.20

Finding the Fourth Proportional to 839,454.62, 1,158,413.57 and 457,473.20

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Solution

The fourth proportional to 839,454.62, 1,158,413.57 and 457,473.20 is: 631,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,454.62 : 1,158,413.57 = 457,473.20 : x
  2. Step 2: Convert to fraction form
    839,454.62/1,158,413.57 = 457,473.20/x
  3. Step 3: Cross multiply
    839,454.62x = 1,158,413.57 × 457,473.20
  4. Step 4: Simplify right side
    839,454.62x = 529,943,162,791.32
  5. Step 5: Solve for x
    x = 529,943,162,791.32/839,454.62
  6. Step 6: Final answer
    x = 631,294.59

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Double scale
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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.