Home / 670,150.34-1,005,223.47-270,786.50

Finding the Fourth Proportional to 670,150.34, 1,005,223.47 and 270,786.50

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Solution

The fourth proportional to 670,150.34, 1,005,223.47 and 270,786.50 is: 406,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,150.34 : 1,005,223.47 = 270,786.50 : x
  2. Step 2: Convert to fraction form
    670,150.34/1,005,223.47 = 270,786.50/x
  3. Step 3: Cross multiply
    670,150.34x = 1,005,223.47 × 270,786.50
  4. Step 4: Simplify right side
    670,150.34x = 272,200,945,159.16
  5. Step 5: Solve for x
    x = 272,200,945,159.16/670,150.34
  6. Step 6: Final answer
    x = 406,178.93

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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.