Home / 879,829.44-1,214,166.72-477,421.44

Finding the Fourth Proportional to 879,829.44, 1,214,166.72 and 477,421.44

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Solution

The fourth proportional to 879,829.44, 1,214,166.72 and 477,421.44 is: 658,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,829.44 : 1,214,166.72 = 477,421.44 : x
  2. Step 2: Convert to fraction form
    879,829.44/1,214,166.72 = 477,421.44/x
  3. Step 3: Cross multiply
    879,829.44x = 1,214,166.72 × 477,421.44
  4. Step 4: Simplify right side
    879,829.44x = 579,669,223,862.48
  5. Step 5: Solve for x
    x = 579,669,223,862.48/879,829.44
  6. Step 6: Final answer
    x = 658,842.72

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1.5x scale

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.