Home / 459,823.06-634,196.32-298,730

Finding the Fourth Proportional to 459,823.06, 634,196.32 and 298,730

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Solution

The fourth proportional to 459,823.06, 634,196.32 and 298,730 is: 412,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,823.06 : 634,196.32 = 298,730 : x
  2. Step 2: Convert to fraction form
    459,823.06/634,196.32 = 298,730/x
  3. Step 3: Cross multiply
    459,823.06x = 634,196.32 × 298,730
  4. Step 4: Simplify right side
    459,823.06x = 189,453,466,673.60
  5. Step 5: Solve for x
    x = 189,453,466,673.60/459,823.06
  6. Step 6: Final answer
    x = 412,013.84

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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.