Home / 988,920.09-1,364,736.60-559,264.50

Finding the Fourth Proportional to 988,920.09, 1,364,736.60 and 559,264.50

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Solution

The fourth proportional to 988,920.09, 1,364,736.60 and 559,264.50 is: 771,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,920.09 : 1,364,736.60 = 559,264.50 : x
  2. Step 2: Convert to fraction form
    988,920.09/1,364,736.60 = 559,264.50/x
  3. Step 3: Cross multiply
    988,920.09x = 1,364,736.60 × 559,264.50
  4. Step 4: Simplify right side
    988,920.09x = 763,248,732,230.70
  5. Step 5: Solve for x
    x = 763,248,732,230.70/988,920.09
  6. Step 6: Final answer
    x = 771,800.21

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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.