Home / 988,931.64-1,364,726.43-536,222.64

Finding the Fourth Proportional to 988,931.64, 1,364,726.43 and 536,222.64

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Solution

The fourth proportional to 988,931.64, 1,364,726.43 and 536,222.64 is: 739,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,931.64 : 1,364,726.43 = 536,222.64 : x
  2. Step 2: Convert to fraction form
    988,931.64/1,364,726.43 = 536,222.64/x
  3. Step 3: Cross multiply
    988,931.64x = 1,364,726.43 × 536,222.64
  4. Step 4: Simplify right side
    988,931.64x = 731,797,209,172.38
  5. Step 5: Solve for x
    x = 731,797,209,172.38/988,931.64
  6. Step 6: Final answer
    x = 739,987.66

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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.