Home / 868,363.40-1,302,558.54-307,005.32

Finding the Fourth Proportional to 868,363.40, 1,302,558.54 and 307,005.32

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Solution

The fourth proportional to 868,363.40, 1,302,558.54 and 307,005.32 is: 460,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,363.40 : 1,302,558.54 = 307,005.32 : x
  2. Step 2: Convert to fraction form
    868,363.40/1,302,558.54 = 307,005.32/x
  3. Step 3: Cross multiply
    868,363.40x = 1,302,558.54 × 307,005.32
  4. Step 4: Simplify right side
    868,363.40x = 399,892,401,391.43
  5. Step 5: Solve for x
    x = 399,892,401,391.43/868,363.40
  6. Step 6: Final answer
    x = 460,512.73

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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.