Home / 988,643.12-1,364,373.04-558,941.36

Finding the Fourth Proportional to 988,643.12, 1,364,373.04 and 558,941.36

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Solution

The fourth proportional to 988,643.12, 1,364,373.04 and 558,941.36 is: 771,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,643.12 : 1,364,373.04 = 558,941.36 : x
  2. Step 2: Convert to fraction form
    988,643.12/1,364,373.04 = 558,941.36/x
  3. Step 3: Cross multiply
    988,643.12x = 1,364,373.04 × 558,941.36
  4. Step 4: Simplify right side
    988,643.12x = 762,604,522,524.94
  5. Step 5: Solve for x
    x = 762,604,522,524.94/988,643.12
  6. Step 6: Final answer
    x = 771,364.82

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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.