Home / 853,402.42-1,177,685.22-466,215.94

Finding the Fourth Proportional to 853,402.42, 1,177,685.22 and 466,215.94

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Solution

The fourth proportional to 853,402.42, 1,177,685.22 and 466,215.94 is: 643,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,402.42 : 1,177,685.22 = 466,215.94 : x
  2. Step 2: Convert to fraction form
    853,402.42/1,177,685.22 = 466,215.94/x
  3. Step 3: Cross multiply
    853,402.42x = 1,177,685.22 × 466,215.94
  4. Step 4: Simplify right side
    853,402.42x = 549,055,621,866.41
  5. Step 5: Solve for x
    x = 549,055,621,866.41/853,402.42
  6. Step 6: Final answer
    x = 643,372.47

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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.