Home / 721,566.67-1,082,030.05-384,544.50

Finding the Fourth Proportional to 721,566.67, 1,082,030.05 and 384,544.50

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Solution

The fourth proportional to 721,566.67, 1,082,030.05 and 384,544.50 is: 576,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,566.67 : 1,082,030.05 = 384,544.50 : x
  2. Step 2: Convert to fraction form
    721,566.67/1,082,030.05 = 384,544.50/x
  3. Step 3: Cross multiply
    721,566.67x = 1,082,030.05 × 384,544.50
  4. Step 4: Simplify right side
    721,566.67x = 416,088,702,639.50
  5. Step 5: Solve for x
    x = 416,088,702,639.50/721,566.67
  6. Step 6: Final answer
    x = 576,646.24

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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.