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Finding the Fourth Proportional to 552,202.40, 828,303.60 and 403,486.40

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Solution

The fourth proportional to 552,202.40, 828,303.60 and 403,486.40 is: 605,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,202.40 : 828,303.60 = 403,486.40 : x
  2. Step 2: Convert to fraction form
    552,202.40/828,303.60 = 403,486.40/x
  3. Step 3: Cross multiply
    552,202.40x = 828,303.60 × 403,486.40
  4. Step 4: Simplify right side
    552,202.40x = 334,209,237,671.04
  5. Step 5: Solve for x
    x = 334,209,237,671.04/552,202.40
  6. Step 6: Final answer
    x = 605,229.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.