Home / 459,820.04-634,192.18-298,727

Finding the Fourth Proportional to 459,820.04, 634,192.18 and 298,727

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Solution

The fourth proportional to 459,820.04, 634,192.18 and 298,727 is: 412,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,820.04 : 634,192.18 = 298,727 : x
  2. Step 2: Convert to fraction form
    459,820.04/634,192.18 = 298,727/x
  3. Step 3: Cross multiply
    459,820.04x = 634,192.18 × 298,727
  4. Step 4: Simplify right side
    459,820.04x = 189,450,327,354.86
  5. Step 5: Solve for x
    x = 189,450,327,354.86/459,820.04
  6. Step 6: Final answer
    x = 412,009.72

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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.