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Finding the Fourth Proportional to 623,046, 859,802.82 and 336,565.98

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Solution

The fourth proportional to 623,046, 859,802.82 and 336,565.98 is: 464,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,046 : 859,802.82 = 336,565.98 : x
  2. Step 2: Convert to fraction form
    623,046/859,802.82 = 336,565.98/x
  3. Step 3: Cross multiply
    623,046x = 859,802.82 × 336,565.98
  4. Step 4: Simplify right side
    623,046x = 289,380,378,720.06
  5. Step 5: Solve for x
    x = 289,380,378,720.06/623,046
  6. Step 6: Final answer
    x = 464,460.70

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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.