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Finding the Fourth Proportional to 476,697.30, 657,847.02 and 258,910.23

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Solution

The fourth proportional to 476,697.30, 657,847.02 and 258,910.23 is: 357,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,697.30 : 657,847.02 = 258,910.23 : x
  2. Step 2: Convert to fraction form
    476,697.30/657,847.02 = 258,910.23/x
  3. Step 3: Cross multiply
    476,697.30x = 657,847.02 × 258,910.23
  4. Step 4: Simplify right side
    476,697.30x = 170,323,323,253.02
  5. Step 5: Solve for x
    x = 170,323,323,253.02/476,697.30
  6. Step 6: Final answer
    x = 357,298.70

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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.