Home / 476,076.18-657,005.67-285,053.07

Finding the Fourth Proportional to 476,076.18, 657,005.67 and 285,053.07

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Solution

The fourth proportional to 476,076.18, 657,005.67 and 285,053.07 is: 393,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,076.18 : 657,005.67 = 285,053.07 : x
  2. Step 2: Convert to fraction form
    476,076.18/657,005.67 = 285,053.07/x
  3. Step 3: Cross multiply
    476,076.18x = 657,005.67 × 285,053.07
  4. Step 4: Simplify right side
    476,076.18x = 187,281,483,240.91
  5. Step 5: Solve for x
    x = 187,281,483,240.91/476,076.18
  6. Step 6: Final answer
    x = 393,385.54

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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.