Home / 940,359.60-1,408,465.80-496,609.20

Finding the Fourth Proportional to 940,359.60, 1,408,465.80 and 496,609.20

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Solution

The fourth proportional to 940,359.60, 1,408,465.80 and 496,609.20 is: 743,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,359.60 : 1,408,465.80 = 496,609.20 : x
  2. Step 2: Convert to fraction form
    940,359.60/1,408,465.80 = 496,609.20/x
  3. Step 3: Cross multiply
    940,359.60x = 1,408,465.80 × 496,609.20
  4. Step 4: Simplify right side
    940,359.60x = 699,457,074,165.36
  5. Step 5: Solve for x
    x = 699,457,074,165.36/940,359.60
  6. Step 6: Final answer
    x = 743,818.72

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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.