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Finding the Fourth Proportional to 488,622.60, 736,262.76 and 401,820.60

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Solution

The fourth proportional to 488,622.60, 736,262.76 and 401,820.60 is: 605,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,622.60 : 736,262.76 = 401,820.60 : x
  2. Step 2: Convert to fraction form
    488,622.60/736,262.76 = 401,820.60/x
  3. Step 3: Cross multiply
    488,622.60x = 736,262.76 × 401,820.60
  4. Step 4: Simplify right side
    488,622.60x = 295,845,543,980.86
  5. Step 5: Solve for x
    x = 295,845,543,980.86/488,622.60
  6. Step 6: Final answer
    x = 605,468.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.