Home / 988,401.98-1,482,041.03-389,038.23

Finding the Fourth Proportional to 988,401.98, 1,482,041.03 and 389,038.23

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Solution

The fourth proportional to 988,401.98, 1,482,041.03 and 389,038.23 is: 583,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,401.98 : 1,482,041.03 = 389,038.23 : x
  2. Step 2: Convert to fraction form
    988,401.98/1,482,041.03 = 389,038.23/x
  3. Step 3: Cross multiply
    988,401.98x = 1,482,041.03 × 389,038.23
  4. Step 4: Simplify right side
    988,401.98x = 576,570,617,153.39
  5. Step 5: Solve for x
    x = 576,570,617,153.39/988,401.98
  6. Step 6: Final answer
    x = 583,336.16

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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.