Home / 853,426.86-1,177,685.55-471,379.74

Finding the Fourth Proportional to 853,426.86, 1,177,685.55 and 471,379.74

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Solution

The fourth proportional to 853,426.86, 1,177,685.55 and 471,379.74 is: 650,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,426.86 : 1,177,685.55 = 471,379.74 : x
  2. Step 2: Convert to fraction form
    853,426.86/1,177,685.55 = 471,379.74/x
  3. Step 3: Cross multiply
    853,426.86x = 1,177,685.55 × 471,379.74
  4. Step 4: Simplify right side
    853,426.86x = 555,137,108,360.76
  5. Step 5: Solve for x
    x = 555,137,108,360.76/853,426.86
  6. Step 6: Final answer
    x = 650,480.01

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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.