Home / 557,804.40-836,943.36-304,789.35

Finding the Fourth Proportional to 557,804.40, 836,943.36 and 304,789.35

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Solution

The fourth proportional to 557,804.40, 836,943.36 and 304,789.35 is: 457,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,804.40 : 836,943.36 = 304,789.35 : x
  2. Step 2: Convert to fraction form
    557,804.40/836,943.36 = 304,789.35/x
  3. Step 3: Cross multiply
    557,804.40x = 836,943.36 × 304,789.35
  4. Step 4: Simplify right side
    557,804.40x = 255,091,422,681.22
  5. Step 5: Solve for x
    x = 255,091,422,681.22/557,804.40
  6. Step 6: Final answer
    x = 457,313.39

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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.