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Finding the Fourth Proportional to 651,869.94, 899,622.09 and 365,390.10

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Solution

The fourth proportional to 651,869.94, 899,622.09 and 365,390.10 is: 504,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,869.94 : 899,622.09 = 365,390.10 : x
  2. Step 2: Convert to fraction form
    651,869.94/899,622.09 = 365,390.10/x
  3. Step 3: Cross multiply
    651,869.94x = 899,622.09 × 365,390.10
  4. Step 4: Simplify right side
    651,869.94x = 328,713,005,427.31
  5. Step 5: Solve for x
    x = 328,713,005,427.31/651,869.94
  6. Step 6: Final answer
    x = 504,261.64

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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.