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Finding the Fourth Proportional to 540,506.88, 745,413.84 and 450,162.72

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Solution

The fourth proportional to 540,506.88, 745,413.84 and 450,162.72 is: 620,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,506.88 : 745,413.84 = 450,162.72 : x
  2. Step 2: Convert to fraction form
    540,506.88/745,413.84 = 450,162.72/x
  3. Step 3: Cross multiply
    540,506.88x = 745,413.84 × 450,162.72
  4. Step 4: Simplify right side
    540,506.88x = 335,557,521,740.05
  5. Step 5: Solve for x
    x = 335,557,521,740.05/540,506.88
  6. Step 6: Final answer
    x = 620,820.07

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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.