Home / 853,916.48-1,178,408.28-466,739.60

Finding the Fourth Proportional to 853,916.48, 1,178,408.28 and 466,739.60

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Solution

The fourth proportional to 853,916.48, 1,178,408.28 and 466,739.60 is: 644,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,916.48 : 1,178,408.28 = 466,739.60 : x
  2. Step 2: Convert to fraction form
    853,916.48/1,178,408.28 = 466,739.60/x
  3. Step 3: Cross multiply
    853,916.48x = 1,178,408.28 × 466,739.60
  4. Step 4: Simplify right side
    853,916.48x = 550,009,809,243.89
  5. Step 5: Solve for x
    x = 550,009,809,243.89/853,916.48
  6. Step 6: Final answer
    x = 644,102.58

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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.