Home / 789,869.10-1,184,458.05-316,397.10

Finding the Fourth Proportional to 789,869.10, 1,184,458.05 and 316,397.10

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Solution

The fourth proportional to 789,869.10, 1,184,458.05 and 316,397.10 is: 474,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,869.10 : 1,184,458.05 = 316,397.10 : x
  2. Step 2: Convert to fraction form
    789,869.10/1,184,458.05 = 316,397.10/x
  3. Step 3: Cross multiply
    789,869.10x = 1,184,458.05 × 316,397.10
  4. Step 4: Simplify right side
    789,869.10x = 374,759,092,091.66
  5. Step 5: Solve for x
    x = 374,759,092,091.66/789,869.10
  6. Step 6: Final answer
    x = 474,457.21

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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.