Home / 447,228.65-671,154.03-289,064.81

Finding the Fourth Proportional to 447,228.65, 671,154.03 and 289,064.81

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Solution

The fourth proportional to 447,228.65, 671,154.03 and 289,064.81 is: 433,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,228.65 : 671,154.03 = 289,064.81 : x
  2. Step 2: Convert to fraction form
    447,228.65/671,154.03 = 289,064.81/x
  3. Step 3: Cross multiply
    447,228.65x = 671,154.03 × 289,064.81
  4. Step 4: Simplify right side
    447,228.65x = 194,007,013,840.57
  5. Step 5: Solve for x
    x = 194,007,013,840.57/447,228.65
  6. Step 6: Final answer
    x = 433,798.27

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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.