Home / 853,628.40-1,178,004.76-471,652.46

Finding the Fourth Proportional to 853,628.40, 1,178,004.76 and 471,652.46

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Solution

The fourth proportional to 853,628.40, 1,178,004.76 and 471,652.46 is: 650,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,628.40 : 1,178,004.76 = 471,652.46 : x
  2. Step 2: Convert to fraction form
    853,628.40/1,178,004.76 = 471,652.46/x
  3. Step 3: Cross multiply
    853,628.40x = 1,178,004.76 × 471,652.46
  4. Step 4: Simplify right side
    853,628.40x = 555,608,842,945.71
  5. Step 5: Solve for x
    x = 555,608,842,945.71/853,628.40
  6. Step 6: Final answer
    x = 650,879.05

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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.