Home / 459,988.19-634,783.66-256,034.72

Finding the Fourth Proportional to 459,988.19, 634,783.66 and 256,034.72

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Solution

The fourth proportional to 459,988.19, 634,783.66 and 256,034.72 is: 353,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,988.19 : 634,783.66 = 256,034.72 : x
  2. Step 2: Convert to fraction form
    459,988.19/634,783.66 = 256,034.72/x
  3. Step 3: Cross multiply
    459,988.19x = 634,783.66 × 256,034.72
  4. Step 4: Simplify right side
    459,988.19x = 162,526,658,315.65
  5. Step 5: Solve for x
    x = 162,526,658,315.65/459,988.19
  6. Step 6: Final answer
    x = 353,327.89

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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.