Home / 789,783.10-1,184,329.05-316,311.10

Finding the Fourth Proportional to 789,783.10, 1,184,329.05 and 316,311.10

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Solution

The fourth proportional to 789,783.10, 1,184,329.05 and 316,311.10 is: 474,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,783.10 : 1,184,329.05 = 316,311.10 : x
  2. Step 2: Convert to fraction form
    789,783.10/1,184,329.05 = 316,311.10/x
  3. Step 3: Cross multiply
    789,783.10x = 1,184,329.05 × 316,311.10
  4. Step 4: Simplify right side
    789,783.10x = 374,616,424,567.46
  5. Step 5: Solve for x
    x = 374,616,424,567.46/789,783.10
  6. Step 6: Final answer
    x = 474,328.24

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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.