Home / 808,050.48-1,212,432.78-423,707.58

Finding the Fourth Proportional to 808,050.48, 1,212,432.78 and 423,707.58

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Solution

The fourth proportional to 808,050.48, 1,212,432.78 and 423,707.58 is: 635,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,050.48 : 1,212,432.78 = 423,707.58 : x
  2. Step 2: Convert to fraction form
    808,050.48/1,212,432.78 = 423,707.58/x
  3. Step 3: Cross multiply
    808,050.48x = 1,212,432.78 × 423,707.58
  4. Step 4: Simplify right side
    808,050.48x = 513,716,959,126.47
  5. Step 5: Solve for x
    x = 513,716,959,126.47/808,050.48
  6. Step 6: Final answer
    x = 635,748.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.