Home / 671,945.50-927,284.79-370,139.50

Finding the Fourth Proportional to 671,945.50, 927,284.79 and 370,139.50

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Solution

The fourth proportional to 671,945.50, 927,284.79 and 370,139.50 is: 510,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,945.50 : 927,284.79 = 370,139.50 : x
  2. Step 2: Convert to fraction form
    671,945.50/927,284.79 = 370,139.50/x
  3. Step 3: Cross multiply
    671,945.50x = 927,284.79 × 370,139.50
  4. Step 4: Simplify right side
    671,945.50x = 343,224,728,528.21
  5. Step 5: Solve for x
    x = 343,224,728,528.21/671,945.50
  6. Step 6: Final answer
    x = 510,792.51

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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.