Home / 918,095.40-1,377,143.10-492,942.60

Finding the Fourth Proportional to 918,095.40, 1,377,143.10 and 492,942.60

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Solution

The fourth proportional to 918,095.40, 1,377,143.10 and 492,942.60 is: 739,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,095.40 : 1,377,143.10 = 492,942.60 : x
  2. Step 2: Convert to fraction form
    918,095.40/1,377,143.10 = 492,942.60/x
  3. Step 3: Cross multiply
    918,095.40x = 1,377,143.10 × 492,942.60
  4. Step 4: Simplify right side
    918,095.40x = 678,852,500,286.06
  5. Step 5: Solve for x
    x = 678,852,500,286.06/918,095.40
  6. Step 6: Final answer
    x = 739,413.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.