Home / 863,475.89-1,293,530.77-525,678.69

Finding the Fourth Proportional to 863,475.89, 1,293,530.77 and 525,678.69

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Solution

The fourth proportional to 863,475.89, 1,293,530.77 and 525,678.69 is: 787,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,475.89 : 1,293,530.77 = 525,678.69 : x
  2. Step 2: Convert to fraction form
    863,475.89/1,293,530.77 = 525,678.69/x
  3. Step 3: Cross multiply
    863,475.89x = 1,293,530.77 × 525,678.69
  4. Step 4: Simplify right side
    863,475.89x = 679,981,566,156.13
  5. Step 5: Solve for x
    x = 679,981,566,156.13/863,475.89
  6. Step 6: Final answer
    x = 787,493.41

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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.