Home / 690,755.22-953,271.63-384,831.45

Finding the Fourth Proportional to 690,755.22, 953,271.63 and 384,831.45

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Solution

The fourth proportional to 690,755.22, 953,271.63 and 384,831.45 is: 531,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,755.22 : 953,271.63 = 384,831.45 : x
  2. Step 2: Convert to fraction form
    690,755.22/953,271.63 = 384,831.45/x
  3. Step 3: Cross multiply
    690,755.22x = 953,271.63 × 384,831.45
  4. Step 4: Simplify right side
    690,755.22x = 366,848,903,616.76
  5. Step 5: Solve for x
    x = 366,848,903,616.76/690,755.22
  6. Step 6: Final answer
    x = 531,083.79

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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.