Home / 988,221.60-1,482,405.30-357,053.40

Finding the Fourth Proportional to 988,221.60, 1,482,405.30 and 357,053.40

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Solution

The fourth proportional to 988,221.60, 1,482,405.30 and 357,053.40 is: 535,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,221.60 : 1,482,405.30 = 357,053.40 : x
  2. Step 2: Convert to fraction form
    988,221.60/1,482,405.30 = 357,053.40/x
  3. Step 3: Cross multiply
    988,221.60x = 1,482,405.30 × 357,053.40
  4. Step 4: Simplify right side
    988,221.60x = 529,297,852,543.02
  5. Step 5: Solve for x
    x = 529,297,852,543.02/988,221.60
  6. Step 6: Final answer
    x = 535,606.44

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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.