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Finding the Fourth Proportional to 648,810, 895,348.08 and 362,334.24

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Solution

The fourth proportional to 648,810, 895,348.08 and 362,334.24 is: 500,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,810 : 895,348.08 = 362,334.24 : x
  2. Step 2: Convert to fraction form
    648,810/895,348.08 = 362,334.24/x
  3. Step 3: Cross multiply
    648,810x = 895,348.08 × 362,334.24
  4. Step 4: Simplify right side
    648,810x = 324,415,266,102.26
  5. Step 5: Solve for x
    x = 324,415,266,102.26/648,810
  6. Step 6: Final answer
    x = 500,015.82

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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.