Home / 988,821.57-1,364,535.89-559,110.69

Finding the Fourth Proportional to 988,821.57, 1,364,535.89 and 559,110.69

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Solution

The fourth proportional to 988,821.57, 1,364,535.89 and 559,110.69 is: 771,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,821.57 : 1,364,535.89 = 559,110.69 : x
  2. Step 2: Convert to fraction form
    988,821.57/1,364,535.89 = 559,110.69/x
  3. Step 3: Cross multiply
    988,821.57x = 1,364,535.89 × 559,110.69
  4. Step 4: Simplify right side
    988,821.57x = 762,926,600,192.11
  5. Step 5: Solve for x
    x = 762,926,600,192.11/988,821.57
  6. Step 6: Final answer
    x = 771,551.33

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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.