Home / 721,880.01-1,082,446.25-384,830.10

Finding the Fourth Proportional to 721,880.01, 1,082,446.25 and 384,830.10

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Solution

The fourth proportional to 721,880.01, 1,082,446.25 and 384,830.10 is: 577,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,880.01 : 1,082,446.25 = 384,830.10 : x
  2. Step 2: Convert to fraction form
    721,880.01/1,082,446.25 = 384,830.10/x
  3. Step 3: Cross multiply
    721,880.01x = 1,082,446.25 × 384,830.10
  4. Step 4: Simplify right side
    721,880.01x = 416,557,896,707.98
  5. Step 5: Solve for x
    x = 416,557,896,707.98/721,880.01
  6. Step 6: Final answer
    x = 577,045.90

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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.