Home / 863,749.80-1,294,674.30-302,495.40

Finding the Fourth Proportional to 863,749.80, 1,294,674.30 and 302,495.40

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Solution

The fourth proportional to 863,749.80, 1,294,674.30 and 302,495.40 is: 453,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,749.80 : 1,294,674.30 = 302,495.40 : x
  2. Step 2: Convert to fraction form
    863,749.80/1,294,674.30 = 302,495.40/x
  3. Step 3: Cross multiply
    863,749.80x = 1,294,674.30 × 302,495.40
  4. Step 4: Simplify right side
    863,749.80x = 391,633,020,248.22
  5. Step 5: Solve for x
    x = 391,633,020,248.22/863,749.80
  6. Step 6: Final answer
    x = 453,410.26

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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.