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Finding the Fourth Proportional to 651,845.67, 899,549.02 and 361,477.68

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Solution

The fourth proportional to 651,845.67, 899,549.02 and 361,477.68 is: 498,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,845.67 : 899,549.02 = 361,477.68 : x
  2. Step 2: Convert to fraction form
    651,845.67/899,549.02 = 361,477.68/x
  3. Step 3: Cross multiply
    651,845.67x = 899,549.02 × 361,477.68
  4. Step 4: Simplify right side
    651,845.67x = 325,166,887,841.10
  5. Step 5: Solve for x
    x = 325,166,887,841.10/651,845.67
  6. Step 6: Final answer
    x = 498,840.30

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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.