Home / 690,733.85-1,035,230.52-370,090.49

Finding the Fourth Proportional to 690,733.85, 1,035,230.52 and 370,090.49

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Solution

The fourth proportional to 690,733.85, 1,035,230.52 and 370,090.49 is: 554,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,733.85 : 1,035,230.52 = 370,090.49 : x
  2. Step 2: Convert to fraction form
    690,733.85/1,035,230.52 = 370,090.49/x
  3. Step 3: Cross multiply
    690,733.85x = 1,035,230.52 × 370,090.49
  4. Step 4: Simplify right side
    690,733.85x = 383,128,965,233.60
  5. Step 5: Solve for x
    x = 383,128,965,233.60/690,733.85
  6. Step 6: Final answer
    x = 554,669.45

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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.