Home / 697,044.24-960,128.69-492,743.79

Finding the Fourth Proportional to 697,044.24, 960,128.69 and 492,743.79

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Solution

The fourth proportional to 697,044.24, 960,128.69 and 492,743.79 is: 678,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,044.24 : 960,128.69 = 492,743.79 : x
  2. Step 2: Convert to fraction form
    697,044.24/960,128.69 = 492,743.79/x
  3. Step 3: Cross multiply
    697,044.24x = 960,128.69 × 492,743.79
  4. Step 4: Simplify right side
    697,044.24x = 473,097,447,134.62
  5. Step 5: Solve for x
    x = 473,097,447,134.62/697,044.24
  6. Step 6: Final answer
    x = 678,719.40

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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.