Home / 687,230.72-1,030,878.48-567,064.79

Finding the Fourth Proportional to 687,230.72, 1,030,878.48 and 567,064.79

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Solution

The fourth proportional to 687,230.72, 1,030,878.48 and 567,064.79 is: 850,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,230.72 : 1,030,878.48 = 567,064.79 : x
  2. Step 2: Convert to fraction form
    687,230.72/1,030,878.48 = 567,064.79/x
  3. Step 3: Cross multiply
    687,230.72x = 1,030,878.48 × 567,064.79
  4. Step 4: Simplify right side
    687,230.72x = 584,574,888,776.72
  5. Step 5: Solve for x
    x = 584,574,888,776.72/687,230.72
  6. Step 6: Final answer
    x = 850,623.92

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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.