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Finding the Fourth Proportional to 890,197.10, 1,333,162.04 and 456,773.98

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Solution

The fourth proportional to 890,197.10, 1,333,162.04 and 456,773.98 is: 684,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,197.10 : 1,333,162.04 = 456,773.98 : x
  2. Step 2: Convert to fraction form
    890,197.10/1,333,162.04 = 456,773.98/x
  3. Step 3: Cross multiply
    890,197.10x = 1,333,162.04 × 456,773.98
  4. Step 4: Simplify right side
    890,197.10x = 608,953,731,468.39
  5. Step 5: Solve for x
    x = 608,953,731,468.39/890,197.10
  6. Step 6: Final answer
    x = 684,066.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.