Home / 855,573.66-1,284,622.12-477,233.60

Finding the Fourth Proportional to 855,573.66, 1,284,622.12 and 477,233.60

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Solution

The fourth proportional to 855,573.66, 1,284,622.12 and 477,233.60 is: 716,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,573.66 : 1,284,622.12 = 477,233.60 : x
  2. Step 2: Convert to fraction form
    855,573.66/1,284,622.12 = 477,233.60/x
  3. Step 3: Cross multiply
    855,573.66x = 1,284,622.12 × 477,233.60
  4. Step 4: Simplify right side
    855,573.66x = 613,064,838,967.23
  5. Step 5: Solve for x
    x = 613,064,838,967.23/855,573.66
  6. Step 6: Final answer
    x = 716,554.13

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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.