Home / 744,868.10-1,117,413.34-345,549.24

Finding the Fourth Proportional to 744,868.10, 1,117,413.34 and 345,549.24

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Solution

The fourth proportional to 744,868.10, 1,117,413.34 and 345,549.24 is: 518,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,868.10 : 1,117,413.34 = 345,549.24 : x
  2. Step 2: Convert to fraction form
    744,868.10/1,117,413.34 = 345,549.24/x
  3. Step 3: Cross multiply
    744,868.10x = 1,117,413.34 × 345,549.24
  4. Step 4: Simplify right side
    744,868.10x = 386,121,329,538.99
  5. Step 5: Solve for x
    x = 386,121,329,538.99/744,868.10
  6. Step 6: Final answer
    x = 518,375.44

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1.5x scale

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.