Home / 676,043.13-932,939.81-370,139.34

Finding the Fourth Proportional to 676,043.13, 932,939.81 and 370,139.34

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Solution

The fourth proportional to 676,043.13, 932,939.81 and 370,139.34 is: 510,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,043.13 : 932,939.81 = 370,139.34 : x
  2. Step 2: Convert to fraction form
    676,043.13/932,939.81 = 370,139.34/x
  3. Step 3: Cross multiply
    676,043.13x = 932,939.81 × 370,139.34
  4. Step 4: Simplify right side
    676,043.13x = 345,317,723,682.43
  5. Step 5: Solve for x
    x = 345,317,723,682.43/676,043.13
  6. Step 6: Final answer
    x = 510,792.45

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1.5x scale

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.