Home / 948,831.40-1,309,432.26-561,663.40

Finding the Fourth Proportional to 948,831.40, 1,309,432.26 and 561,663.40

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Solution

The fourth proportional to 948,831.40, 1,309,432.26 and 561,663.40 is: 775,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,831.40 : 1,309,432.26 = 561,663.40 : x
  2. Step 2: Convert to fraction form
    948,831.40/1,309,432.26 = 561,663.40/x
  3. Step 3: Cross multiply
    948,831.40x = 1,309,432.26 × 561,663.40
  4. Step 4: Simplify right side
    948,831.40x = 735,460,175,221.28
  5. Step 5: Solve for x
    x = 735,460,175,221.28/948,831.40
  6. Step 6: Final answer
    x = 775,122.09

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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.