Home / 709,602.41-1,064,873.73-389,977.49

Finding the Fourth Proportional to 709,602.41, 1,064,873.73 and 389,977.49

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Solution

The fourth proportional to 709,602.41, 1,064,873.73 and 389,977.49 is: 585,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,602.41 : 1,064,873.73 = 389,977.49 : x
  2. Step 2: Convert to fraction form
    709,602.41/1,064,873.73 = 389,977.49/x
  3. Step 3: Cross multiply
    709,602.41x = 1,064,873.73 × 389,977.49
  4. Step 4: Simplify right side
    709,602.41x = 415,276,782,442.45
  5. Step 5: Solve for x
    x = 415,276,782,442.45/709,602.41
  6. Step 6: Final answer
    x = 585,224.59

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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.