Home / 742,243.77-1,023,991.91-451,622.35

Finding the Fourth Proportional to 742,243.77, 1,023,991.91 and 451,622.35

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Solution

The fourth proportional to 742,243.77, 1,023,991.91 and 451,622.35 is: 623,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,243.77 : 1,023,991.91 = 451,622.35 : x
  2. Step 2: Convert to fraction form
    742,243.77/1,023,991.91 = 451,622.35/x
  3. Step 3: Cross multiply
    742,243.77x = 1,023,991.91 × 451,622.35
  4. Step 4: Simplify right side
    742,243.77x = 462,457,630,517.08
  5. Step 5: Solve for x
    x = 462,457,630,517.08/742,243.77
  6. Step 6: Final answer
    x = 623,053.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.