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Finding the Fourth Proportional to 593,740.40, 890,610.60 and 328,319.60

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Solution

The fourth proportional to 593,740.40, 890,610.60 and 328,319.60 is: 492,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,740.40 : 890,610.60 = 328,319.60 : x
  2. Step 2: Convert to fraction form
    593,740.40/890,610.60 = 328,319.60/x
  3. Step 3: Cross multiply
    593,740.40x = 890,610.60 × 328,319.60
  4. Step 4: Simplify right side
    593,740.40x = 292,404,915,947.76
  5. Step 5: Solve for x
    x = 292,404,915,947.76/593,740.40
  6. Step 6: Final answer
    x = 492,479.40

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1.5x scale

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.