Home / 853,743.54-1,178,182.98-466,582.94

Finding the Fourth Proportional to 853,743.54, 1,178,182.98 and 466,582.94

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Solution

The fourth proportional to 853,743.54, 1,178,182.98 and 466,582.94 is: 643,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,743.54 : 1,178,182.98 = 466,582.94 : x
  2. Step 2: Convert to fraction form
    853,743.54/1,178,182.98 = 466,582.94/x
  3. Step 3: Cross multiply
    853,743.54x = 1,178,182.98 × 466,582.94
  4. Step 4: Simplify right side
    853,743.54x = 549,720,072,775.45
  5. Step 5: Solve for x
    x = 549,720,072,775.45/853,743.54
  6. Step 6: Final answer
    x = 643,893.68

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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.