Home / 578,148.51-797,824.93-320,036.72

Finding the Fourth Proportional to 578,148.51, 797,824.93 and 320,036.72

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Solution

The fourth proportional to 578,148.51, 797,824.93 and 320,036.72 is: 441,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,148.51 : 797,824.93 = 320,036.72 : x
  2. Step 2: Convert to fraction form
    578,148.51/797,824.93 = 320,036.72/x
  3. Step 3: Cross multiply
    578,148.51x = 797,824.93 × 320,036.72
  4. Step 4: Simplify right side
    578,148.51x = 255,333,273,731.43
  5. Step 5: Solve for x
    x = 255,333,273,731.43/578,148.51
  6. Step 6: Final answer
    x = 441,639.59

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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.