Home / 922,322.40-1,273,397.76-578,629.92

Finding the Fourth Proportional to 922,322.40, 1,273,397.76 and 578,629.92

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Solution

The fourth proportional to 922,322.40, 1,273,397.76 and 578,629.92 is: 798,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,322.40 : 1,273,397.76 = 578,629.92 : x
  2. Step 2: Convert to fraction form
    922,322.40/1,273,397.76 = 578,629.92/x
  3. Step 3: Cross multiply
    922,322.40x = 1,273,397.76 × 578,629.92
  4. Step 4: Simplify right side
    922,322.40x = 736,826,043,996.98
  5. Step 5: Solve for x
    x = 736,826,043,996.98/922,322.40
  6. Step 6: Final answer
    x = 798,881.22

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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.