Home / 646,113.22-891,636.28-359,627.16

Finding the Fourth Proportional to 646,113.22, 891,636.28 and 359,627.16

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Solution

The fourth proportional to 646,113.22, 891,636.28 and 359,627.16 is: 496,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,113.22 : 891,636.28 = 359,627.16 : x
  2. Step 2: Convert to fraction form
    646,113.22/891,636.28 = 359,627.16/x
  3. Step 3: Cross multiply
    646,113.22x = 891,636.28 × 359,627.16
  4. Step 4: Simplify right side
    646,113.22x = 320,656,623,129.37
  5. Step 5: Solve for x
    x = 320,656,623,129.37/646,113.22
  6. Step 6: Final answer
    x = 496,285.50

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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.