Home / 929,675.48-1,282,898.26-521,739.23

Finding the Fourth Proportional to 929,675.48, 1,282,898.26 and 521,739.23

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Solution

The fourth proportional to 929,675.48, 1,282,898.26 and 521,739.23 is: 719,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,675.48 : 1,282,898.26 = 521,739.23 : x
  2. Step 2: Convert to fraction form
    929,675.48/1,282,898.26 = 521,739.23/x
  3. Step 3: Cross multiply
    929,675.48x = 1,282,898.26 × 521,739.23
  4. Step 4: Simplify right side
    929,675.48x = 669,338,350,340.74
  5. Step 5: Solve for x
    x = 669,338,350,340.74/929,675.48
  6. Step 6: Final answer
    x = 719,969.89

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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.