Home / 935,450.70-1,403,589.15-455,412.30

Finding the Fourth Proportional to 935,450.70, 1,403,589.15 and 455,412.30

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Solution

The fourth proportional to 935,450.70, 1,403,589.15 and 455,412.30 is: 683,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,450.70 : 1,403,589.15 = 455,412.30 : x
  2. Step 2: Convert to fraction form
    935,450.70/1,403,589.15 = 455,412.30/x
  3. Step 3: Cross multiply
    935,450.70x = 1,403,589.15 × 455,412.30
  4. Step 4: Simplify right side
    935,450.70x = 639,211,763,056.55
  5. Step 5: Solve for x
    x = 639,211,763,056.55/935,450.70
  6. Step 6: Final answer
    x = 683,319.56

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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.