Home / 988,456.84-1,482,122.86-389,093.08

Finding the Fourth Proportional to 988,456.84, 1,482,122.86 and 389,093.08

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Solution

The fourth proportional to 988,456.84, 1,482,122.86 and 389,093.08 is: 583,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,456.84 : 1,482,122.86 = 389,093.08 : x
  2. Step 2: Convert to fraction form
    988,456.84/1,482,122.86 = 389,093.08/x
  3. Step 3: Cross multiply
    988,456.84x = 1,482,122.86 × 389,093.08
  4. Step 4: Simplify right side
    988,456.84x = 576,683,748,535.81
  5. Step 5: Solve for x
    x = 576,683,748,535.81/988,456.84
  6. Step 6: Final answer
    x = 583,418.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.