Home / 683,749.85-1,025,802.12-363,638.51

Finding the Fourth Proportional to 683,749.85, 1,025,802.12 and 363,638.51

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Solution

The fourth proportional to 683,749.85, 1,025,802.12 and 363,638.51 is: 545,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,749.85 : 1,025,802.12 = 363,638.51 : x
  2. Step 2: Convert to fraction form
    683,749.85/1,025,802.12 = 363,638.51/x
  3. Step 3: Cross multiply
    683,749.85x = 1,025,802.12 × 363,638.51
  4. Step 4: Simplify right side
    683,749.85x = 373,021,154,471.64
  5. Step 5: Solve for x
    x = 373,021,154,471.64/683,749.85
  6. Step 6: Final answer
    x = 545,552.08

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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.