Home / 800,312.96-1,104,386.64-437,664.80

Finding the Fourth Proportional to 800,312.96, 1,104,386.64 and 437,664.80

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Solution

The fourth proportional to 800,312.96, 1,104,386.64 and 437,664.80 is: 603,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,312.96 : 1,104,386.64 = 437,664.80 : x
  2. Step 2: Convert to fraction form
    800,312.96/1,104,386.64 = 437,664.80/x
  3. Step 3: Cross multiply
    800,312.96x = 1,104,386.64 × 437,664.80
  4. Step 4: Simplify right side
    800,312.96x = 483,351,157,918.27
  5. Step 5: Solve for x
    x = 483,351,157,918.27/800,312.96
  6. Step 6: Final answer
    x = 603,952.68

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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.