Home / 855,563.64-1,282,902.47-456,097.12

Finding the Fourth Proportional to 855,563.64, 1,282,902.47 and 456,097.12

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Solution

The fourth proportional to 855,563.64, 1,282,902.47 and 456,097.12 is: 683,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,563.64 : 1,282,902.47 = 456,097.12 : x
  2. Step 2: Convert to fraction form
    855,563.64/1,282,902.47 = 456,097.12/x
  3. Step 3: Cross multiply
    855,563.64x = 1,282,902.47 × 456,097.12
  4. Step 4: Simplify right side
    855,563.64x = 585,128,121,807.89
  5. Step 5: Solve for x
    x = 585,128,121,807.89/855,563.64
  6. Step 6: Final answer
    x = 683,909.52

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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.