Home / 448,683.42-671,445.32-280,283.04

Finding the Fourth Proportional to 448,683.42, 671,445.32 and 280,283.04

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Solution

The fourth proportional to 448,683.42, 671,445.32 and 280,283.04 is: 419,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,683.42 : 671,445.32 = 280,283.04 : x
  2. Step 2: Convert to fraction form
    448,683.42/671,445.32 = 280,283.04/x
  3. Step 3: Cross multiply
    448,683.42x = 671,445.32 × 280,283.04
  4. Step 4: Simplify right side
    448,683.42x = 188,194,735,483.37
  5. Step 5: Solve for x
    x = 188,194,735,483.37/448,683.42
  6. Step 6: Final answer
    x = 419,437.69

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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.