Home / 900,413.35-1,242,574.13-486,950.12

Finding the Fourth Proportional to 900,413.35, 1,242,574.13 and 486,950.12

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Solution

The fourth proportional to 900,413.35, 1,242,574.13 and 486,950.12 is: 671,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,413.35 : 1,242,574.13 = 486,950.12 : x
  2. Step 2: Convert to fraction form
    900,413.35/1,242,574.13 = 486,950.12/x
  3. Step 3: Cross multiply
    900,413.35x = 1,242,574.13 × 486,950.12
  4. Step 4: Simplify right side
    900,413.35x = 605,071,616,716.90
  5. Step 5: Solve for x
    x = 605,071,616,716.90/900,413.35
  6. Step 6: Final answer
    x = 671,993.17

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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.