Home / 988,369.50-1,480,860.10-663,549.24

Finding the Fourth Proportional to 988,369.50, 1,480,860.10 and 663,549.24

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Solution

The fourth proportional to 988,369.50, 1,480,860.10 and 663,549.24 is: 994,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,369.50 : 1,480,860.10 = 663,549.24 : x
  2. Step 2: Convert to fraction form
    988,369.50/1,480,860.10 = 663,549.24/x
  3. Step 3: Cross multiply
    988,369.50x = 1,480,860.10 × 663,549.24
  4. Step 4: Simplify right side
    988,369.50x = 982,623,593,901.32
  5. Step 5: Solve for x
    x = 982,623,593,901.32/988,369.50
  6. Step 6: Final answer
    x = 994,186.48

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1.5x scale

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.