Home / 648,831.44-895,412.96-373,188.84

Finding the Fourth Proportional to 648,831.44, 895,412.96 and 373,188.84

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Solution

The fourth proportional to 648,831.44, 895,412.96 and 373,188.84 is: 515,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,831.44 : 895,412.96 = 373,188.84 : x
  2. Step 2: Convert to fraction form
    648,831.44/895,412.96 = 373,188.84/x
  3. Step 3: Cross multiply
    648,831.44x = 895,412.96 × 373,188.84
  4. Step 4: Simplify right side
    648,831.44x = 334,158,123,863.37
  5. Step 5: Solve for x
    x = 334,158,123,863.37/648,831.44
  6. Step 6: Final answer
    x = 515,015.31

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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.