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Finding the Fourth Proportional to 573,454.60, 859,145.10 and 490,510.60

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Solution

The fourth proportional to 573,454.60, 859,145.10 and 490,510.60 is: 734,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,454.60 : 859,145.10 = 490,510.60 : x
  2. Step 2: Convert to fraction form
    573,454.60/859,145.10 = 490,510.60/x
  3. Step 3: Cross multiply
    573,454.60x = 859,145.10 × 490,510.60
  4. Step 4: Simplify right side
    573,454.60x = 421,419,778,488.06
  5. Step 5: Solve for x
    x = 421,419,778,488.06/573,454.60
  6. Step 6: Final answer
    x = 734,879.06

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