Home / 434,831.10-652,246.65-403,338.30

Finding the Fourth Proportional to 434,831.10, 652,246.65 and 403,338.30

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Solution

The fourth proportional to 434,831.10, 652,246.65 and 403,338.30 is: 605,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,831.10 : 652,246.65 = 403,338.30 : x
  2. Step 2: Convert to fraction form
    434,831.10/652,246.65 = 403,338.30/x
  3. Step 3: Cross multiply
    434,831.10x = 652,246.65 × 403,338.30
  4. Step 4: Simplify right side
    434,831.10x = 263,076,054,991.70
  5. Step 5: Solve for x
    x = 263,076,054,991.70/434,831.10
  6. Step 6: Final answer
    x = 605,007.45

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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.