Home / 702,069.53-1,053,831.13-432,391.91

Finding the Fourth Proportional to 702,069.53, 1,053,831.13 and 432,391.91

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Solution

The fourth proportional to 702,069.53, 1,053,831.13 and 432,391.91 is: 649,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,069.53 : 1,053,831.13 = 432,391.91 : x
  2. Step 2: Convert to fraction form
    702,069.53/1,053,831.13 = 432,391.91/x
  3. Step 3: Cross multiply
    702,069.53x = 1,053,831.13 × 432,391.91
  4. Step 4: Simplify right side
    702,069.53x = 455,668,048,768.02
  5. Step 5: Solve for x
    x = 455,668,048,768.02/702,069.53
  6. Step 6: Final answer
    x = 649,035.51

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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.