Home / 709,444.01-979,054.36-403,564.73

Finding the Fourth Proportional to 709,444.01, 979,054.36 and 403,564.73

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Solution

The fourth proportional to 709,444.01, 979,054.36 and 403,564.73 is: 556,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,444.01 : 979,054.36 = 403,564.73 : x
  2. Step 2: Convert to fraction form
    709,444.01/979,054.36 = 403,564.73/x
  3. Step 3: Cross multiply
    709,444.01x = 979,054.36 × 403,564.73
  4. Step 4: Simplify right side
    709,444.01x = 395,111,802,544.54
  5. Step 5: Solve for x
    x = 395,111,802,544.54/709,444.01
  6. Step 6: Final answer
    x = 556,931.62

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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.