Home / 649,382.40-895,567.44-407,687.52

Finding the Fourth Proportional to 649,382.40, 895,567.44 and 407,687.52

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Solution

The fourth proportional to 649,382.40, 895,567.44 and 407,687.52 is: 562,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,382.40 : 895,567.44 = 407,687.52 : x
  2. Step 2: Convert to fraction form
    649,382.40/895,567.44 = 407,687.52/x
  3. Step 3: Cross multiply
    649,382.40x = 895,567.44 × 407,687.52
  4. Step 4: Simplify right side
    649,382.40x = 365,111,668,606.35
  5. Step 5: Solve for x
    x = 365,111,668,606.35/649,382.40
  6. Step 6: Final answer
    x = 562,244.48

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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.