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Finding the Fourth Proportional to 476,520.84, 657,610.25 and 258,738.77

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Solution

The fourth proportional to 476,520.84, 657,610.25 and 258,738.77 is: 357,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,520.84 : 657,610.25 = 258,738.77 : x
  2. Step 2: Convert to fraction form
    476,520.84/657,610.25 = 258,738.77/x
  3. Step 3: Cross multiply
    476,520.84x = 657,610.25 × 258,738.77
  4. Step 4: Simplify right side
    476,520.84x = 170,149,267,574.72
  5. Step 5: Solve for x
    x = 170,149,267,574.72/476,520.84
  6. Step 6: Final answer
    x = 357,065.74

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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.