Home / 646,060.42-891,554.44-359,580.60

Finding the Fourth Proportional to 646,060.42, 891,554.44 and 359,580.60

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Solution

The fourth proportional to 646,060.42, 891,554.44 and 359,580.60 is: 496,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,060.42 : 891,554.44 = 359,580.60 : x
  2. Step 2: Convert to fraction form
    646,060.42/891,554.44 = 359,580.60/x
  3. Step 3: Cross multiply
    646,060.42x = 891,554.44 × 359,580.60
  4. Step 4: Simplify right side
    646,060.42x = 320,585,680,467.86
  5. Step 5: Solve for x
    x = 320,585,680,467.86/646,060.42
  6. Step 6: Final answer
    x = 496,216.25

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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.