Home / 887,918.96-1,332,077.88-256,881.80

Finding the Fourth Proportional to 887,918.96, 1,332,077.88 and 256,881.80

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Solution

The fourth proportional to 887,918.96, 1,332,077.88 and 256,881.80 is: 385,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,918.96 : 1,332,077.88 = 256,881.80 : x
  2. Step 2: Convert to fraction form
    887,918.96/1,332,077.88 = 256,881.80/x
  3. Step 3: Cross multiply
    887,918.96x = 1,332,077.88 × 256,881.80
  4. Step 4: Simplify right side
    887,918.96x = 342,186,563,554.58
  5. Step 5: Solve for x
    x = 342,186,563,554.58/887,918.96
  6. Step 6: Final answer
    x = 385,380.40

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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.