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Finding the Fourth Proportional to 592,413.20, 888,101.40 and 529,427.60

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Solution

The fourth proportional to 592,413.20, 888,101.40 and 529,427.60 is: 793,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,413.20 : 888,101.40 = 529,427.60 : x
  2. Step 2: Convert to fraction form
    592,413.20/888,101.40 = 529,427.60/x
  3. Step 3: Cross multiply
    592,413.20x = 888,101.40 × 529,427.60
  4. Step 4: Simplify right side
    592,413.20x = 470,185,392,758.64
  5. Step 5: Solve for x
    x = 470,185,392,758.64/592,413.20
  6. Step 6: Final answer
    x = 793,678.12

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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.