Home / 987,788.95-1,481,683.05-277,816.78

Finding the Fourth Proportional to 987,788.95, 1,481,683.05 and 277,816.78

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Solution

The fourth proportional to 987,788.95, 1,481,683.05 and 277,816.78 is: 416,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,788.95 : 1,481,683.05 = 277,816.78 : x
  2. Step 2: Convert to fraction form
    987,788.95/1,481,683.05 = 277,816.78/x
  3. Step 3: Cross multiply
    987,788.95x = 1,481,683.05 × 277,816.78
  4. Step 4: Simplify right side
    987,788.95x = 411,636,413,931.58
  5. Step 5: Solve for x
    x = 411,636,413,931.58/987,788.95
  6. Step 6: Final answer
    x = 416,725.06

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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.