Home / 922,919.74-1,273,629.48-509,456.76

Finding the Fourth Proportional to 922,919.74, 1,273,629.48 and 509,456.76

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Solution

The fourth proportional to 922,919.74, 1,273,629.48 and 509,456.76 is: 703,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,919.74 : 1,273,629.48 = 509,456.76 : x
  2. Step 2: Convert to fraction form
    922,919.74/1,273,629.48 = 509,456.76/x
  3. Step 3: Cross multiply
    922,919.74x = 1,273,629.48 × 509,456.76
  4. Step 4: Simplify right side
    922,919.74x = 648,859,141,634.71
  5. Step 5: Solve for x
    x = 648,859,141,634.71/922,919.74
  6. Step 6: Final answer
    x = 703,050.45

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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.