Home / 992,071.26-1,487,374.38-317,762.46

Finding the Fourth Proportional to 992,071.26, 1,487,374.38 and 317,762.46

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Solution

The fourth proportional to 992,071.26, 1,487,374.38 and 317,762.46 is: 476,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,071.26 : 1,487,374.38 = 317,762.46 : x
  2. Step 2: Convert to fraction form
    992,071.26/1,487,374.38 = 317,762.46/x
  3. Step 3: Cross multiply
    992,071.26x = 1,487,374.38 × 317,762.46
  4. Step 4: Simplify right side
    992,071.26x = 472,631,741,929.78
  5. Step 5: Solve for x
    x = 472,631,741,929.78/992,071.26
  6. Step 6: Final answer
    x = 476,409.07

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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.