Home / 1,316,272.94-1,974,409.44-319,000.94

Finding the Fourth Proportional to 1,316,272.94, 1,974,409.44 and 319,000.94

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Solution

The fourth proportional to 1,316,272.94, 1,974,409.44 and 319,000.94 is: 478,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,272.94 : 1,974,409.44 = 319,000.94 : x
  2. Step 2: Convert to fraction form
    1,316,272.94/1,974,409.44 = 319,000.94/x
  3. Step 3: Cross multiply
    1,316,272.94x = 1,974,409.44 × 319,000.94
  4. Step 4: Simplify right side
    1,316,272.94x = 629,838,467,304.87
  5. Step 5: Solve for x
    x = 629,838,467,304.87/1,316,272.94
  6. Step 6: Final answer
    x = 478,501.42

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Double scale
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Similar ratio
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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.