Home / 557,104.03-768,803.54-302,455.22

Finding the Fourth Proportional to 557,104.03, 768,803.54 and 302,455.22

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Solution

The fourth proportional to 557,104.03, 768,803.54 and 302,455.22 is: 417,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,104.03 : 768,803.54 = 302,455.22 : x
  2. Step 2: Convert to fraction form
    557,104.03/768,803.54 = 302,455.22/x
  3. Step 3: Cross multiply
    557,104.03x = 768,803.54 × 302,455.22
  4. Step 4: Simplify right side
    557,104.03x = 232,528,638,471.19
  5. Step 5: Solve for x
    x = 232,528,638,471.19/557,104.03
  6. Step 6: Final answer
    x = 417,388.18

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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.