Home / 988,934.64-1,364,730.60-536,225.64

Finding the Fourth Proportional to 988,934.64, 1,364,730.60 and 536,225.64

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Solution

The fourth proportional to 988,934.64, 1,364,730.60 and 536,225.64 is: 739,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,934.64 : 1,364,730.60 = 536,225.64 : x
  2. Step 2: Convert to fraction form
    988,934.64/1,364,730.60 = 536,225.64/x
  3. Step 3: Cross multiply
    988,934.64x = 1,364,730.60 × 536,225.64
  4. Step 4: Simplify right side
    988,934.64x = 731,803,539,412.58
  5. Step 5: Solve for x
    x = 731,803,539,412.58/988,934.64
  6. Step 6: Final answer
    x = 739,991.82

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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.