Home / 671,139.30-1,004,084.55-434,943.30

Finding the Fourth Proportional to 671,139.30, 1,004,084.55 and 434,943.30

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Solution

The fourth proportional to 671,139.30, 1,004,084.55 and 434,943.30 is: 650,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,139.30 : 1,004,084.55 = 434,943.30 : x
  2. Step 2: Convert to fraction form
    671,139.30/1,004,084.55 = 434,943.30/x
  3. Step 3: Cross multiply
    671,139.30x = 1,004,084.55 × 434,943.30
  4. Step 4: Simplify right side
    671,139.30x = 436,719,847,656.02
  5. Step 5: Solve for x
    x = 436,719,847,656.02/671,139.30
  6. Step 6: Final answer
    x = 650,714.16

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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.