Home / 910,413.40-1,365,620.10-626,978.20

Finding the Fourth Proportional to 910,413.40, 1,365,620.10 and 626,978.20

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Solution

The fourth proportional to 910,413.40, 1,365,620.10 and 626,978.20 is: 940,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,413.40 : 1,365,620.10 = 626,978.20 : x
  2. Step 2: Convert to fraction form
    910,413.40/1,365,620.10 = 626,978.20/x
  3. Step 3: Cross multiply
    910,413.40x = 1,365,620.10 × 626,978.20
  4. Step 4: Simplify right side
    910,413.40x = 856,214,032,181.82
  5. Step 5: Solve for x
    x = 856,214,032,181.82/910,413.40
  6. Step 6: Final answer
    x = 940,467.30

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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.