Home / 908,248.50-1,253,382.93-505,840.50

Finding the Fourth Proportional to 908,248.50, 1,253,382.93 and 505,840.50

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Solution

The fourth proportional to 908,248.50, 1,253,382.93 and 505,840.50 is: 698,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,248.50 : 1,253,382.93 = 505,840.50 : x
  2. Step 2: Convert to fraction form
    908,248.50/1,253,382.93 = 505,840.50/x
  3. Step 3: Cross multiply
    908,248.50x = 1,253,382.93 × 505,840.50
  4. Step 4: Simplify right side
    908,248.50x = 634,011,848,002.67
  5. Step 5: Solve for x
    x = 634,011,848,002.67/908,248.50
  6. Step 6: Final answer
    x = 698,059.89

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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.