Home / 847,918.48-1,170,079.68-521,355.64

Finding the Fourth Proportional to 847,918.48, 1,170,079.68 and 521,355.64

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Solution

The fourth proportional to 847,918.48, 1,170,079.68 and 521,355.64 is: 719,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,918.48 : 1,170,079.68 = 521,355.64 : x
  2. Step 2: Convert to fraction form
    847,918.48/1,170,079.68 = 521,355.64/x
  3. Step 3: Cross multiply
    847,918.48x = 1,170,079.68 × 521,355.64
  4. Step 4: Simplify right side
    847,918.48x = 610,027,640,417.40
  5. Step 5: Solve for x
    x = 610,027,640,417.40/847,918.48
  6. Step 6: Final answer
    x = 719,441.38

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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.