Home / 902,510.80-1,353,766.20-370,413.70

Finding the Fourth Proportional to 902,510.80, 1,353,766.20 and 370,413.70

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Solution

The fourth proportional to 902,510.80, 1,353,766.20 and 370,413.70 is: 555,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,510.80 : 1,353,766.20 = 370,413.70 : x
  2. Step 2: Convert to fraction form
    902,510.80/1,353,766.20 = 370,413.70/x
  3. Step 3: Cross multiply
    902,510.80x = 1,353,766.20 × 370,413.70
  4. Step 4: Simplify right side
    902,510.80x = 501,453,547,076.94
  5. Step 5: Solve for x
    x = 501,453,547,076.94/902,510.80
  6. Step 6: Final answer
    x = 555,620.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.