Home / 832,784.80-1,248,411.78-300,175.48

Finding the Fourth Proportional to 832,784.80, 1,248,411.78 and 300,175.48

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Solution

The fourth proportional to 832,784.80, 1,248,411.78 and 300,175.48 is: 449,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,784.80 : 1,248,411.78 = 300,175.48 : x
  2. Step 2: Convert to fraction form
    832,784.80/1,248,411.78 = 300,175.48/x
  3. Step 3: Cross multiply
    832,784.80x = 1,248,411.78 × 300,175.48
  4. Step 4: Simplify right side
    832,784.80x = 374,742,605,299.15
  5. Step 5: Solve for x
    x = 374,742,605,299.15/832,784.80
  6. Step 6: Final answer
    x = 449,987.33

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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.