Home / 578,670.48-867,178.59-325,419.36

Finding the Fourth Proportional to 578,670.48, 867,178.59 and 325,419.36

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Solution

The fourth proportional to 578,670.48, 867,178.59 and 325,419.36 is: 487,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,670.48 : 867,178.59 = 325,419.36 : x
  2. Step 2: Convert to fraction form
    578,670.48/867,178.59 = 325,419.36/x
  3. Step 3: Cross multiply
    578,670.48x = 867,178.59 × 325,419.36
  4. Step 4: Simplify right side
    578,670.48x = 282,196,701,763.50
  5. Step 5: Solve for x
    x = 282,196,701,763.50/578,670.48
  6. Step 6: Final answer
    x = 487,663.90

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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.