Home / 993,039.50-1,489,337.57-460,491.33

Finding the Fourth Proportional to 993,039.50, 1,489,337.57 and 460,491.33

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Solution

The fourth proportional to 993,039.50, 1,489,337.57 and 460,491.33 is: 690,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,039.50 : 1,489,337.57 = 460,491.33 : x
  2. Step 2: Convert to fraction form
    993,039.50/1,489,337.57 = 460,491.33/x
  3. Step 3: Cross multiply
    993,039.50x = 1,489,337.57 × 460,491.33
  4. Step 4: Simplify right side
    993,039.50x = 685,827,038,428.27
  5. Step 5: Solve for x
    x = 685,827,038,428.27/993,039.50
  6. Step 6: Final answer
    x = 690,634.20

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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.