Home / 988,733.95-1,364,489.59-558,988.45

Finding the Fourth Proportional to 988,733.95, 1,364,489.59 and 558,988.45

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Solution

The fourth proportional to 988,733.95, 1,364,489.59 and 558,988.45 is: 771,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,733.95 : 1,364,489.59 = 558,988.45 : x
  2. Step 2: Convert to fraction form
    988,733.95/1,364,489.59 = 558,988.45/x
  3. Step 3: Cross multiply
    988,733.95x = 1,364,489.59 × 558,988.45
  4. Step 4: Simplify right side
    988,733.95x = 762,733,916,146.54
  5. Step 5: Solve for x
    x = 762,733,916,146.54/988,733.95
  6. Step 6: Final answer
    x = 771,424.83

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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.