Home / 856,676.45-1,182,213.51-474,703.22

Finding the Fourth Proportional to 856,676.45, 1,182,213.51 and 474,703.22

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Solution

The fourth proportional to 856,676.45, 1,182,213.51 and 474,703.22 is: 655,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,676.45 : 1,182,213.51 = 474,703.22 : x
  2. Step 2: Convert to fraction form
    856,676.45/1,182,213.51 = 474,703.22/x
  3. Step 3: Cross multiply
    856,676.45x = 1,182,213.51 × 474,703.22
  4. Step 4: Simplify right side
    856,676.45x = 561,200,559,924.50
  5. Step 5: Solve for x
    x = 561,200,559,924.50/856,676.45
  6. Step 6: Final answer
    x = 655,090.45

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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.