Home / 459,704.12-634,412.28-383,095.04

Finding the Fourth Proportional to 459,704.12, 634,412.28 and 383,095.04

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Solution

The fourth proportional to 459,704.12, 634,412.28 and 383,095.04 is: 528,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,704.12 : 634,412.28 = 383,095.04 : x
  2. Step 2: Convert to fraction form
    459,704.12/634,412.28 = 383,095.04/x
  3. Step 3: Cross multiply
    459,704.12x = 634,412.28 × 383,095.04
  4. Step 4: Simplify right side
    459,704.12x = 243,040,197,783.09
  5. Step 5: Solve for x
    x = 243,040,197,783.09/459,704.12
  6. Step 6: Final answer
    x = 528,688.32

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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.