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Finding the Fourth Proportional to 476,515.59, 657,603 and 258,733.52

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Solution

The fourth proportional to 476,515.59, 657,603 and 258,733.52 is: 357,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,515.59 : 657,603 = 258,733.52 : x
  2. Step 2: Convert to fraction form
    476,515.59/657,603 = 258,733.52/x
  3. Step 3: Cross multiply
    476,515.59x = 657,603 × 258,733.52
  4. Step 4: Simplify right side
    476,515.59x = 170,143,940,596.57
  5. Step 5: Solve for x
    x = 170,143,940,596.57/476,515.59
  6. Step 6: Final answer
    x = 357,058.50

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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.