Home / 789,887.80-1,184,880.93-316,511.65

Finding the Fourth Proportional to 789,887.80, 1,184,880.93 and 316,511.65

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Solution

The fourth proportional to 789,887.80, 1,184,880.93 and 316,511.65 is: 474,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,887.80 : 1,184,880.93 = 316,511.65 : x
  2. Step 2: Convert to fraction form
    789,887.80/1,184,880.93 = 316,511.65/x
  3. Step 3: Cross multiply
    789,887.80x = 1,184,880.93 × 316,511.65
  4. Step 4: Simplify right side
    789,887.80x = 375,028,618,502.02
  5. Step 5: Solve for x
    x = 375,028,618,502.02/789,887.80
  6. Step 6: Final answer
    x = 474,787.20

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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.