Home / 730,207.62-1,092,647.07-430,831.62

Finding the Fourth Proportional to 730,207.62, 1,092,647.07 and 430,831.62

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Solution

The fourth proportional to 730,207.62, 1,092,647.07 and 430,831.62 is: 644,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,207.62 : 1,092,647.07 = 430,831.62 : x
  2. Step 2: Convert to fraction form
    730,207.62/1,092,647.07 = 430,831.62/x
  3. Step 3: Cross multiply
    730,207.62x = 1,092,647.07 × 430,831.62
  4. Step 4: Simplify right side
    730,207.62x = 470,746,907,256.35
  5. Step 5: Solve for x
    x = 470,746,907,256.35/730,207.62
  6. Step 6: Final answer
    x = 644,675.42

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1.5x scale

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.