Home / 313,916.84-467,918.07-288,722.60

Finding the Fourth Proportional to 313,916.84, 467,918.07 and 288,722.60

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Solution

The fourth proportional to 313,916.84, 467,918.07 and 288,722.60 is: 430,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,916.84 : 467,918.07 = 288,722.60 : x
  2. Step 2: Convert to fraction form
    313,916.84/467,918.07 = 288,722.60/x
  3. Step 3: Cross multiply
    313,916.84x = 467,918.07 × 288,722.60
  4. Step 4: Simplify right side
    313,916.84x = 135,098,520,313.77
  5. Step 5: Solve for x
    x = 135,098,520,313.77/313,916.84
  6. Step 6: Final answer
    x = 430,364.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.