Home / 988,685.34-1,364,455.71-558,969.54

Finding the Fourth Proportional to 988,685.34, 1,364,455.71 and 558,969.54

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Solution

The fourth proportional to 988,685.34, 1,364,455.71 and 558,969.54 is: 771,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,685.34 : 1,364,455.71 = 558,969.54 : x
  2. Step 2: Convert to fraction form
    988,685.34/1,364,455.71 = 558,969.54/x
  3. Step 3: Cross multiply
    988,685.34x = 1,364,455.71 × 558,969.54
  4. Step 4: Simplify right side
    988,685.34x = 762,689,180,569.07
  5. Step 5: Solve for x
    x = 762,689,180,569.07/988,685.34
  6. Step 6: Final answer
    x = 771,417.51

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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.