Home / 857,872.23-1,184,005.60-476,022.03

Finding the Fourth Proportional to 857,872.23, 1,184,005.60 and 476,022.03

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Solution

The fourth proportional to 857,872.23, 1,184,005.60 and 476,022.03 is: 656,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,872.23 : 1,184,005.60 = 476,022.03 : x
  2. Step 2: Convert to fraction form
    857,872.23/1,184,005.60 = 476,022.03/x
  3. Step 3: Cross multiply
    857,872.23x = 1,184,005.60 × 476,022.03
  4. Step 4: Simplify right side
    857,872.23x = 563,612,748,053.31
  5. Step 5: Solve for x
    x = 563,612,748,053.31/857,872.23
  6. Step 6: Final answer
    x = 656,989.15

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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.