Home / 855,467.68-1,282,741.25-342,875.59

Finding the Fourth Proportional to 855,467.68, 1,282,741.25 and 342,875.59

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Solution

The fourth proportional to 855,467.68, 1,282,741.25 and 342,875.59 is: 514,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,467.68 : 1,282,741.25 = 342,875.59 : x
  2. Step 2: Convert to fraction form
    855,467.68/1,282,741.25 = 342,875.59/x
  3. Step 3: Cross multiply
    855,467.68x = 1,282,741.25 × 342,875.59
  4. Step 4: Simplify right side
    855,467.68x = 439,820,658,482.03
  5. Step 5: Solve for x
    x = 439,820,658,482.03/855,467.68
  6. Step 6: Final answer
    x = 514,128.90

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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.