Home / 803,004.09-1,108,176.66-440,443.23

Finding the Fourth Proportional to 803,004.09, 1,108,176.66 and 440,443.23

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Solution

The fourth proportional to 803,004.09, 1,108,176.66 and 440,443.23 is: 607,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,004.09 : 1,108,176.66 = 440,443.23 : x
  2. Step 2: Convert to fraction form
    803,004.09/1,108,176.66 = 440,443.23/x
  3. Step 3: Cross multiply
    803,004.09x = 1,108,176.66 × 440,443.23
  4. Step 4: Simplify right side
    803,004.09x = 488,088,907,541.01
  5. Step 5: Solve for x
    x = 488,088,907,541.01/803,004.09
  6. Step 6: Final answer
    x = 607,828.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.