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Finding the Fourth Proportional to 502,597.60, 693,590.04 and 273,154.90

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Solution

The fourth proportional to 502,597.60, 693,590.04 and 273,154.90 is: 376,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,597.60 : 693,590.04 = 273,154.90 : x
  2. Step 2: Convert to fraction form
    502,597.60/693,590.04 = 273,154.90/x
  3. Step 3: Cross multiply
    502,597.60x = 693,590.04 × 273,154.90
  4. Step 4: Simplify right side
    502,597.60x = 189,457,518,017.20
  5. Step 5: Solve for x
    x = 189,457,518,017.20/502,597.60
  6. Step 6: Final answer
    x = 376,956.67

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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.