Home / 478,849.17-660,809.48-263,988.57

Finding the Fourth Proportional to 478,849.17, 660,809.48 and 263,988.57

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Solution

The fourth proportional to 478,849.17, 660,809.48 and 263,988.57 is: 364,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,849.17 : 660,809.48 = 263,988.57 : x
  2. Step 2: Convert to fraction form
    478,849.17/660,809.48 = 263,988.57/x
  3. Step 3: Cross multiply
    478,849.17x = 660,809.48 × 263,988.57
  4. Step 4: Simplify right side
    478,849.17x = 174,446,148,347.70
  5. Step 5: Solve for x
    x = 174,446,148,347.70/478,849.17
  6. Step 6: Final answer
    x = 364,302.91

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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.