Home / 839,454.50-1,158,413.40-457,473.08

Finding the Fourth Proportional to 839,454.50, 1,158,413.40 and 457,473.08

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Solution

The fourth proportional to 839,454.50, 1,158,413.40 and 457,473.08 is: 631,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,454.50 : 1,158,413.40 = 457,473.08 : x
  2. Step 2: Convert to fraction form
    839,454.50/1,158,413.40 = 457,473.08/x
  3. Step 3: Cross multiply
    839,454.50x = 1,158,413.40 × 457,473.08
  4. Step 4: Simplify right side
    839,454.50x = 529,942,946,011.27
  5. Step 5: Solve for x
    x = 529,942,946,011.27/839,454.50
  6. Step 6: Final answer
    x = 631,294.43

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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.