Home / 578,668.98-867,176.34-325,417.86

Finding the Fourth Proportional to 578,668.98, 867,176.34 and 325,417.86

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Solution

The fourth proportional to 578,668.98, 867,176.34 and 325,417.86 is: 487,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,668.98 : 867,176.34 = 325,417.86 : x
  2. Step 2: Convert to fraction form
    578,668.98/867,176.34 = 325,417.86/x
  3. Step 3: Cross multiply
    578,668.98x = 867,176.34 × 325,417.86
  4. Step 4: Simplify right side
    578,668.98x = 282,194,668,805.43
  5. Step 5: Solve for x
    x = 282,194,668,805.43/578,668.98
  6. Step 6: Final answer
    x = 487,661.65

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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.