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Finding the Fourth Proportional to 507,330.73, 699,779.22 and 326,271.70

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Solution

The fourth proportional to 507,330.73, 699,779.22 and 326,271.70 is: 450,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,330.73 : 699,779.22 = 326,271.70 : x
  2. Step 2: Convert to fraction form
    507,330.73/699,779.22 = 326,271.70/x
  3. Step 3: Cross multiply
    507,330.73x = 699,779.22 × 326,271.70
  4. Step 4: Simplify right side
    507,330.73x = 228,318,155,734.07
  5. Step 5: Solve for x
    x = 228,318,155,734.07/507,330.73
  6. Step 6: Final answer
    x = 450,038.10

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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.