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Finding the Fourth Proportional to 529,000.59, 730,289.64 and 335,605.83

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Solution

The fourth proportional to 529,000.59, 730,289.64 and 335,605.83 is: 463,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,000.59 : 730,289.64 = 335,605.83 : x
  2. Step 2: Convert to fraction form
    529,000.59/730,289.64 = 335,605.83/x
  3. Step 3: Cross multiply
    529,000.59x = 730,289.64 × 335,605.83
  4. Step 4: Simplify right side
    529,000.59x = 245,089,460,772.60
  5. Step 5: Solve for x
    x = 245,089,460,772.60/529,000.59
  6. Step 6: Final answer
    x = 463,306.59

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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.