Home / 747,931.85-1,120,835.90-576,505.67

Finding the Fourth Proportional to 747,931.85, 1,120,835.90 and 576,505.67

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Solution

The fourth proportional to 747,931.85, 1,120,835.90 and 576,505.67 is: 863,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,931.85 : 1,120,835.90 = 576,505.67 : x
  2. Step 2: Convert to fraction form
    747,931.85/1,120,835.90 = 576,505.67/x
  3. Step 3: Cross multiply
    747,931.85x = 1,120,835.90 × 576,505.67
  4. Step 4: Simplify right side
    747,931.85x = 646,168,243,002.85
  5. Step 5: Solve for x
    x = 646,168,243,002.85/747,931.85
  6. Step 6: Final answer
    x = 863,940.01

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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.