Home / 891,435.63-1,230,173.90-483,536.45

Finding the Fourth Proportional to 891,435.63, 1,230,173.90 and 483,536.45

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Solution

The fourth proportional to 891,435.63, 1,230,173.90 and 483,536.45 is: 667,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,435.63 : 1,230,173.90 = 483,536.45 : x
  2. Step 2: Convert to fraction form
    891,435.63/1,230,173.90 = 483,536.45/x
  3. Step 3: Cross multiply
    891,435.63x = 1,230,173.90 × 483,536.45
  4. Step 4: Simplify right side
    891,435.63x = 594,833,911,920.10
  5. Step 5: Solve for x
    x = 594,833,911,920.10/891,435.63
  6. Step 6: Final answer
    x = 667,276.35

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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.