Home / 646,148.59-891,669.90-359,662.52

Finding the Fourth Proportional to 646,148.59, 891,669.90 and 359,662.52

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Solution

The fourth proportional to 646,148.59, 891,669.90 and 359,662.52 is: 496,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,148.59 : 891,669.90 = 359,662.52 : x
  2. Step 2: Convert to fraction form
    646,148.59/891,669.90 = 359,662.52/x
  3. Step 3: Cross multiply
    646,148.59x = 891,669.90 × 359,662.52
  4. Step 4: Simplify right side
    646,148.59x = 320,700,246,820.06
  5. Step 5: Solve for x
    x = 320,700,246,820.06/646,148.59
  6. Step 6: Final answer
    x = 496,325.85

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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.