Home / 801,271.04-1,105,677.44-478,917.12

Finding the Fourth Proportional to 801,271.04, 1,105,677.44 and 478,917.12

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Solution

The fourth proportional to 801,271.04, 1,105,677.44 and 478,917.12 is: 660,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,271.04 : 1,105,677.44 = 478,917.12 : x
  2. Step 2: Convert to fraction form
    801,271.04/1,105,677.44 = 478,917.12/x
  3. Step 3: Cross multiply
    801,271.04x = 1,105,677.44 × 478,917.12
  4. Step 4: Simplify right side
    801,271.04x = 529,527,855,213.77
  5. Step 5: Solve for x
    x = 529,527,855,213.77/801,271.04
  6. Step 6: Final answer
    x = 660,859.84

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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.