Home / 679,944.40-1,019,916.60-325,650.40

Finding the Fourth Proportional to 679,944.40, 1,019,916.60 and 325,650.40

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Solution

The fourth proportional to 679,944.40, 1,019,916.60 and 325,650.40 is: 488,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,944.40 : 1,019,916.60 = 325,650.40 : x
  2. Step 2: Convert to fraction form
    679,944.40/1,019,916.60 = 325,650.40/x
  3. Step 3: Cross multiply
    679,944.40x = 1,019,916.60 × 325,650.40
  4. Step 4: Simplify right side
    679,944.40x = 332,136,248,756.64
  5. Step 5: Solve for x
    x = 332,136,248,756.64/679,944.40
  6. Step 6: Final answer
    x = 488,475.60

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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.