Home / 453,624.06-626,000.48-281,478

Finding the Fourth Proportional to 453,624.06, 626,000.48 and 281,478

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Solution

The fourth proportional to 453,624.06, 626,000.48 and 281,478 is: 388,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,624.06 : 626,000.48 = 281,478 : x
  2. Step 2: Convert to fraction form
    453,624.06/626,000.48 = 281,478/x
  3. Step 3: Cross multiply
    453,624.06x = 626,000.48 × 281,478
  4. Step 4: Simplify right side
    453,624.06x = 176,205,363,109.44
  5. Step 5: Solve for x
    x = 176,205,363,109.44/453,624.06
  6. Step 6: Final answer
    x = 388,439.19

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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.