Home / 738,846.14-1,019,121.98-509,413.10

Finding the Fourth Proportional to 738,846.14, 1,019,121.98 and 509,413.10

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Solution

The fourth proportional to 738,846.14, 1,019,121.98 and 509,413.10 is: 702,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,846.14 : 1,019,121.98 = 509,413.10 : x
  2. Step 2: Convert to fraction form
    738,846.14/1,019,121.98 = 509,413.10/x
  3. Step 3: Cross multiply
    738,846.14x = 1,019,121.98 × 509,413.10
  4. Step 4: Simplify right side
    738,846.14x = 519,154,087,109.94
  5. Step 5: Solve for x
    x = 519,154,087,109.94/738,846.14
  6. Step 6: Final answer
    x = 702,655.21

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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.