Home / 810,924.96-1,119,056.71-448,339.48

Finding the Fourth Proportional to 810,924.96, 1,119,056.71 and 448,339.48

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Solution

The fourth proportional to 810,924.96, 1,119,056.71 and 448,339.48 is: 618,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,924.96 : 1,119,056.71 = 448,339.48 : x
  2. Step 2: Convert to fraction form
    810,924.96/1,119,056.71 = 448,339.48/x
  3. Step 3: Cross multiply
    810,924.96x = 1,119,056.71 × 448,339.48
  4. Step 4: Simplify right side
    810,924.96x = 501,717,303,451.91
  5. Step 5: Solve for x
    x = 501,717,303,451.91/810,924.96
  6. Step 6: Final answer
    x = 618,697.57

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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.