Home / 859,032.08-1,185,431.79-477,083.46

Finding the Fourth Proportional to 859,032.08, 1,185,431.79 and 477,083.46

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Solution

The fourth proportional to 859,032.08, 1,185,431.79 and 477,083.46 is: 658,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,032.08 : 1,185,431.79 = 477,083.46 : x
  2. Step 2: Convert to fraction form
    859,032.08/1,185,431.79 = 477,083.46/x
  3. Step 3: Cross multiply
    859,032.08x = 1,185,431.79 × 477,083.46
  4. Step 4: Simplify right side
    859,032.08x = 565,549,899,967.19
  5. Step 5: Solve for x
    x = 565,549,899,967.19/859,032.08
  6. Step 6: Final answer
    x = 658,357.14

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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.