Home / 749,577.20-1,034,416.56-405,413.19

Finding the Fourth Proportional to 749,577.20, 1,034,416.56 and 405,413.19

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Solution

The fourth proportional to 749,577.20, 1,034,416.56 and 405,413.19 is: 559,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,577.20 : 1,034,416.56 = 405,413.19 : x
  2. Step 2: Convert to fraction form
    749,577.20/1,034,416.56 = 405,413.19/x
  3. Step 3: Cross multiply
    749,577.20x = 1,034,416.56 × 405,413.19
  4. Step 4: Simplify right side
    749,577.20x = 419,366,117,378.43
  5. Step 5: Solve for x
    x = 419,366,117,378.43/749,577.20
  6. Step 6: Final answer
    x = 559,470.22

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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.