Home / 465,943.80-697,302.90-279,089.40

Finding the Fourth Proportional to 465,943.80, 697,302.90 and 279,089.40

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Solution

The fourth proportional to 465,943.80, 697,302.90 and 279,089.40 is: 417,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,943.80 : 697,302.90 = 279,089.40 : x
  2. Step 2: Convert to fraction form
    465,943.80/697,302.90 = 279,089.40/x
  3. Step 3: Cross multiply
    465,943.80x = 697,302.90 × 279,089.40
  4. Step 4: Simplify right side
    465,943.80x = 194,609,847,979.26
  5. Step 5: Solve for x
    x = 194,609,847,979.26/465,943.80
  6. Step 6: Final answer
    x = 417,668.07

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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.