Home / 877,466.76-1,316,033.68-427,735.32

Finding the Fourth Proportional to 877,466.76, 1,316,033.68 and 427,735.32

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Solution

The fourth proportional to 877,466.76, 1,316,033.68 and 427,735.32 is: 641,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,466.76 : 1,316,033.68 = 427,735.32 : x
  2. Step 2: Convert to fraction form
    877,466.76/1,316,033.68 = 427,735.32/x
  3. Step 3: Cross multiply
    877,466.76x = 1,316,033.68 × 427,735.32
  4. Step 4: Simplify right side
    877,466.76x = 562,914,087,245.58
  5. Step 5: Solve for x
    x = 562,914,087,245.58/877,466.76
  6. Step 6: Final answer
    x = 641,521.84

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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.