Home / 837,530.28-1,155,894.40-493,348.43

Finding the Fourth Proportional to 837,530.28, 1,155,894.40 and 493,348.43

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Solution

The fourth proportional to 837,530.28, 1,155,894.40 and 493,348.43 is: 680,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,530.28 : 1,155,894.40 = 493,348.43 : x
  2. Step 2: Convert to fraction form
    837,530.28/1,155,894.40 = 493,348.43/x
  3. Step 3: Cross multiply
    837,530.28x = 1,155,894.40 × 493,348.43
  4. Step 4: Simplify right side
    837,530.28x = 570,258,687,485.79
  5. Step 5: Solve for x
    x = 570,258,687,485.79/837,530.28
  6. Step 6: Final answer
    x = 680,881.28

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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.