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Finding the Fourth Proportional to 586,509.20, 879,763.80 and 376,557.20

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Solution

The fourth proportional to 586,509.20, 879,763.80 and 376,557.20 is: 564,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,509.20 : 879,763.80 = 376,557.20 : x
  2. Step 2: Convert to fraction form
    586,509.20/879,763.80 = 376,557.20/x
  3. Step 3: Cross multiply
    586,509.20x = 879,763.80 × 376,557.20
  4. Step 4: Simplify right side
    586,509.20x = 331,281,393,189.36
  5. Step 5: Solve for x
    x = 331,281,393,189.36/586,509.20
  6. Step 6: Final answer
    x = 564,835.80

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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.