Home / 495,432.06-683,697.57-291,490.67

Finding the Fourth Proportional to 495,432.06, 683,697.57 and 291,490.67

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Solution

The fourth proportional to 495,432.06, 683,697.57 and 291,490.67 is: 402,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,432.06 : 683,697.57 = 291,490.67 : x
  2. Step 2: Convert to fraction form
    495,432.06/683,697.57 = 291,490.67/x
  3. Step 3: Cross multiply
    495,432.06x = 683,697.57 × 291,490.67
  4. Step 4: Simplify right side
    495,432.06x = 199,291,458,245.09
  5. Step 5: Solve for x
    x = 199,291,458,245.09/495,432.06
  6. Step 6: Final answer
    x = 402,257.90

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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.