Home / 856,666.43-1,182,173.86-469,477.11

Finding the Fourth Proportional to 856,666.43, 1,182,173.86 and 469,477.11

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Solution

The fourth proportional to 856,666.43, 1,182,173.86 and 469,477.11 is: 647,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,666.43 : 1,182,173.86 = 469,477.11 : x
  2. Step 2: Convert to fraction form
    856,666.43/1,182,173.86 = 469,477.11/x
  3. Step 3: Cross multiply
    856,666.43x = 1,182,173.86 × 469,477.11
  4. Step 4: Simplify right side
    856,666.43x = 555,003,564,962.96
  5. Step 5: Solve for x
    x = 555,003,564,962.96/856,666.43
  6. Step 6: Final answer
    x = 647,864.27

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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.