Home / 905,804.32-1,248,857.04-566,148.64

Finding the Fourth Proportional to 905,804.32, 1,248,857.04 and 566,148.64

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Solution

The fourth proportional to 905,804.32, 1,248,857.04 and 566,148.64 is: 780,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,804.32 : 1,248,857.04 = 566,148.64 : x
  2. Step 2: Convert to fraction form
    905,804.32/1,248,857.04 = 566,148.64/x
  3. Step 3: Cross multiply
    905,804.32x = 1,248,857.04 × 566,148.64
  4. Step 4: Simplify right side
    905,804.32x = 707,038,714,750.43
  5. Step 5: Solve for x
    x = 707,038,714,750.43/905,804.32
  6. Step 6: Final answer
    x = 780,564.52

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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.