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Finding the Fourth Proportional to 488,519.60, 732,779.40 and 404,538.80

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Solution

The fourth proportional to 488,519.60, 732,779.40 and 404,538.80 is: 606,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,519.60 : 732,779.40 = 404,538.80 : x
  2. Step 2: Convert to fraction form
    488,519.60/732,779.40 = 404,538.80/x
  3. Step 3: Cross multiply
    488,519.60x = 732,779.40 × 404,538.80
  4. Step 4: Simplify right side
    488,519.60x = 296,437,699,140.72
  5. Step 5: Solve for x
    x = 296,437,699,140.72/488,519.60
  6. Step 6: Final answer
    x = 606,808.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.