Home / 853,631.40-1,178,008.90-471,655.46

Finding the Fourth Proportional to 853,631.40, 1,178,008.90 and 471,655.46

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Solution

The fourth proportional to 853,631.40, 1,178,008.90 and 471,655.46 is: 650,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,631.40 : 1,178,008.90 = 471,655.46 : x
  2. Step 2: Convert to fraction form
    853,631.40/1,178,008.90 = 471,655.46/x
  3. Step 3: Cross multiply
    853,631.40x = 1,178,008.90 × 471,655.46
  4. Step 4: Simplify right side
    853,631.40x = 555,614,329,613.59
  5. Step 5: Solve for x
    x = 555,614,329,613.59/853,631.40
  6. Step 6: Final answer
    x = 650,883.19

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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.