Home / 905,677.64-1,358,433.16-306,570.32

Finding the Fourth Proportional to 905,677.64, 1,358,433.16 and 306,570.32

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Solution

The fourth proportional to 905,677.64, 1,358,433.16 and 306,570.32 is: 459,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,677.64 : 1,358,433.16 = 306,570.32 : x
  2. Step 2: Convert to fraction form
    905,677.64/1,358,433.16 = 306,570.32/x
  3. Step 3: Cross multiply
    905,677.64x = 1,358,433.16 × 306,570.32
  4. Step 4: Simplify right side
    905,677.64x = 416,455,280,234.79
  5. Step 5: Solve for x
    x = 416,455,280,234.79/905,677.64
  6. Step 6: Final answer
    x = 459,827.28

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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.