Home / 799,516.33-1,103,332.65-455,384.32

Finding the Fourth Proportional to 799,516.33, 1,103,332.65 and 455,384.32

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Solution

The fourth proportional to 799,516.33, 1,103,332.65 and 455,384.32 is: 628,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,516.33 : 1,103,332.65 = 455,384.32 : x
  2. Step 2: Convert to fraction form
    799,516.33/1,103,332.65 = 455,384.32/x
  3. Step 3: Cross multiply
    799,516.33x = 1,103,332.65 × 455,384.32
  4. Step 4: Simplify right side
    799,516.33x = 502,440,388,554.05
  5. Step 5: Solve for x
    x = 502,440,388,554.05/799,516.33
  6. Step 6: Final answer
    x = 628,430.43

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Double scale
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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.