Home / 859,607.98-1,185,955.94-491,816.50

Finding the Fourth Proportional to 859,607.98, 1,185,955.94 and 491,816.50

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Solution

The fourth proportional to 859,607.98, 1,185,955.94 and 491,816.50 is: 678,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,607.98 : 1,185,955.94 = 491,816.50 : x
  2. Step 2: Convert to fraction form
    859,607.98/1,185,955.94 = 491,816.50/x
  3. Step 3: Cross multiply
    859,607.98x = 1,185,955.94 × 491,816.50
  4. Step 4: Simplify right side
    859,607.98x = 583,272,699,565.01
  5. Step 5: Solve for x
    x = 583,272,699,565.01/859,607.98
  6. Step 6: Final answer
    x = 678,533.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.