Home / 922,484.26-1,273,036.56-509,039.42

Finding the Fourth Proportional to 922,484.26, 1,273,036.56 and 509,039.42

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Solution

The fourth proportional to 922,484.26, 1,273,036.56 and 509,039.42 is: 702,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,484.26 : 1,273,036.56 = 509,039.42 : x
  2. Step 2: Convert to fraction form
    922,484.26/1,273,036.56 = 509,039.42/x
  3. Step 3: Cross multiply
    922,484.26x = 1,273,036.56 × 509,039.42
  4. Step 4: Simplify right side
    922,484.26x = 648,025,795,323.79
  5. Step 5: Solve for x
    x = 648,025,795,323.79/922,484.26
  6. Step 6: Final answer
    x = 702,478.97

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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.