Home / 879,354.02-1,318,355.16-446,715.80

Finding the Fourth Proportional to 879,354.02, 1,318,355.16 and 446,715.80

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Solution

The fourth proportional to 879,354.02, 1,318,355.16 and 446,715.80 is: 669,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,354.02 : 1,318,355.16 = 446,715.80 : x
  2. Step 2: Convert to fraction form
    879,354.02/1,318,355.16 = 446,715.80/x
  3. Step 3: Cross multiply
    879,354.02x = 1,318,355.16 × 446,715.80
  4. Step 4: Simplify right side
    879,354.02x = 588,930,073,391.75
  5. Step 5: Solve for x
    x = 588,930,073,391.75/879,354.02
  6. Step 6: Final answer
    x = 669,730.35

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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.