Home / 713,845.53-1,070,429.18-414,417.69

Finding the Fourth Proportional to 713,845.53, 1,070,429.18 and 414,417.69

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Solution

The fourth proportional to 713,845.53, 1,070,429.18 and 414,417.69 is: 621,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,845.53 : 1,070,429.18 = 414,417.69 : x
  2. Step 2: Convert to fraction form
    713,845.53/1,070,429.18 = 414,417.69/x
  3. Step 3: Cross multiply
    713,845.53x = 1,070,429.18 × 414,417.69
  4. Step 4: Simplify right side
    713,845.53x = 443,604,786,012.11
  5. Step 5: Solve for x
    x = 443,604,786,012.11/713,845.53
  6. Step 6: Final answer
    x = 621,429.66

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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.