Home / 684,370.38-1,027,443.00-458,113.52

Finding the Fourth Proportional to 684,370.38, 1,027,443.00 and 458,113.52

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Solution

The fourth proportional to 684,370.38, 1,027,443.00 and 458,113.52 is: 687,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,370.38 : 1,027,443.00 = 458,113.52 : x
  2. Step 2: Convert to fraction form
    684,370.38/1,027,443.00 = 458,113.52/x
  3. Step 3: Cross multiply
    684,370.38x = 1,027,443.00 × 458,113.52
  4. Step 4: Simplify right side
    684,370.38x = 470,685,533,615.89
  5. Step 5: Solve for x
    x = 470,685,533,615.89/684,370.38
  6. Step 6: Final answer
    x = 687,764.32

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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.