Home / 956,914.48-1,320,543.22-521,329.68

Finding the Fourth Proportional to 956,914.48, 1,320,543.22 and 521,329.68

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Solution

The fourth proportional to 956,914.48, 1,320,543.22 and 521,329.68 is: 719,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,914.48 : 1,320,543.22 = 521,329.68 : x
  2. Step 2: Convert to fraction form
    956,914.48/1,320,543.22 = 521,329.68/x
  3. Step 3: Cross multiply
    956,914.48x = 1,320,543.22 × 521,329.68
  4. Step 4: Simplify right side
    956,914.48x = 688,438,374,308.77
  5. Step 5: Solve for x
    x = 688,438,374,308.77/956,914.48
  6. Step 6: Final answer
    x = 719,435.63

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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.