Home / 652,505.01-978,441.07-382,721.31

Finding the Fourth Proportional to 652,505.01, 978,441.07 and 382,721.31

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Solution

The fourth proportional to 652,505.01, 978,441.07 and 382,721.31 is: 573,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,505.01 : 978,441.07 = 382,721.31 : x
  2. Step 2: Convert to fraction form
    652,505.01/978,441.07 = 382,721.31/x
  3. Step 3: Cross multiply
    652,505.01x = 978,441.07 × 382,721.31
  4. Step 4: Simplify right side
    652,505.01x = 374,470,248,068.20
  5. Step 5: Solve for x
    x = 374,470,248,068.20/652,505.01
  6. Step 6: Final answer
    x = 573,896.36

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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.