Home / 702,012.30-1,053,018.45-403,413.90

Finding the Fourth Proportional to 702,012.30, 1,053,018.45 and 403,413.90

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Solution

The fourth proportional to 702,012.30, 1,053,018.45 and 403,413.90 is: 605,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,012.30 : 1,053,018.45 = 403,413.90 : x
  2. Step 2: Convert to fraction form
    702,012.30/1,053,018.45 = 403,413.90/x
  3. Step 3: Cross multiply
    702,012.30x = 1,053,018.45 × 403,413.90
  4. Step 4: Simplify right side
    702,012.30x = 424,802,279,686.46
  5. Step 5: Solve for x
    x = 424,802,279,686.46/702,012.30
  6. Step 6: Final answer
    x = 605,120.85

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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.