Home / 784,201.33-1,176,208.48-215,640.19

Finding the Fourth Proportional to 784,201.33, 1,176,208.48 and 215,640.19

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Solution

The fourth proportional to 784,201.33, 1,176,208.48 and 215,640.19 is: 323,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,201.33 : 1,176,208.48 = 215,640.19 : x
  2. Step 2: Convert to fraction form
    784,201.33/1,176,208.48 = 215,640.19/x
  3. Step 3: Cross multiply
    784,201.33x = 1,176,208.48 × 215,640.19
  4. Step 4: Simplify right side
    784,201.33x = 253,637,820,106.81
  5. Step 5: Solve for x
    x = 253,637,820,106.81/784,201.33
  6. Step 6: Final answer
    x = 323,434.57

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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.