Home / 679,748.30-938,076.73-373,848.34

Finding the Fourth Proportional to 679,748.30, 938,076.73 and 373,848.34

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Solution

The fourth proportional to 679,748.30, 938,076.73 and 373,848.34 is: 515,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,748.30 : 938,076.73 = 373,848.34 : x
  2. Step 2: Convert to fraction form
    679,748.30/938,076.73 = 373,848.34/x
  3. Step 3: Cross multiply
    679,748.30x = 938,076.73 × 373,848.34
  4. Step 4: Simplify right side
    679,748.30x = 350,698,428,303.13
  5. Step 5: Solve for x
    x = 350,698,428,303.13/679,748.30
  6. Step 6: Final answer
    x = 515,923.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.