Home / 837,461.72-1,155,663.96-455,488.94

Finding the Fourth Proportional to 837,461.72, 1,155,663.96 and 455,488.94

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Solution

The fourth proportional to 837,461.72, 1,155,663.96 and 455,488.94 is: 628,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,461.72 : 1,155,663.96 = 455,488.94 : x
  2. Step 2: Convert to fraction form
    837,461.72/1,155,663.96 = 455,488.94/x
  3. Step 3: Cross multiply
    837,461.72x = 1,155,663.96 × 455,488.94
  4. Step 4: Simplify right side
    837,461.72x = 526,392,152,136.60
  5. Step 5: Solve for x
    x = 526,392,152,136.60/837,461.72
  6. Step 6: Final answer
    x = 628,556.67

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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.