Home / 993,154.40-1,490,509.20-460,741.40

Finding the Fourth Proportional to 993,154.40, 1,490,509.20 and 460,741.40

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Solution

The fourth proportional to 993,154.40, 1,490,509.20 and 460,741.40 is: 691,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,154.40 : 1,490,509.20 = 460,741.40 : x
  2. Step 2: Convert to fraction form
    993,154.40/1,490,509.20 = 460,741.40/x
  3. Step 3: Cross multiply
    993,154.40x = 1,490,509.20 × 460,741.40
  4. Step 4: Simplify right side
    993,154.40x = 686,739,295,520.88
  5. Step 5: Solve for x
    x = 686,739,295,520.88/993,154.40
  6. Step 6: Final answer
    x = 691,472.84

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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.