Home / 719,905.98-1,080,059.22-315,026.04

Finding the Fourth Proportional to 719,905.98, 1,080,059.22 and 315,026.04

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Solution

The fourth proportional to 719,905.98, 1,080,059.22 and 315,026.04 is: 472,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,905.98 : 1,080,059.22 = 315,026.04 : x
  2. Step 2: Convert to fraction form
    719,905.98/1,080,059.22 = 315,026.04/x
  3. Step 3: Cross multiply
    719,905.98x = 1,080,059.22 × 315,026.04
  4. Step 4: Simplify right side
    719,905.98x = 340,246,779,042.09
  5. Step 5: Solve for x
    x = 340,246,779,042.09/719,905.98
  6. Step 6: Final answer
    x = 472,626.69

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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.