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Finding the Fourth Proportional to 600,420.36, 828,561.78 and 358,648.32

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Solution

The fourth proportional to 600,420.36, 828,561.78 and 358,648.32 is: 494,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,420.36 : 828,561.78 = 358,648.32 : x
  2. Step 2: Convert to fraction form
    600,420.36/828,561.78 = 358,648.32/x
  3. Step 3: Cross multiply
    600,420.36x = 828,561.78 × 358,648.32
  4. Step 4: Simplify right side
    600,420.36x = 297,162,290,413.21
  5. Step 5: Solve for x
    x = 297,162,290,413.21/600,420.36
  6. Step 6: Final answer
    x = 494,923.74

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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.