Home / 646,264.01-891,826.96-359,784.09

Finding the Fourth Proportional to 646,264.01, 891,826.96 and 359,784.09

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Solution

The fourth proportional to 646,264.01, 891,826.96 and 359,784.09 is: 496,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,264.01 : 891,826.96 = 359,784.09 : x
  2. Step 2: Convert to fraction form
    646,264.01/891,826.96 = 359,784.09/x
  3. Step 3: Cross multiply
    646,264.01x = 891,826.96 × 359,784.09
  4. Step 4: Simplify right side
    646,264.01x = 320,865,149,442.15
  5. Step 5: Solve for x
    x = 320,865,149,442.15/646,264.01
  6. Step 6: Final answer
    x = 496,492.37

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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.