Home / 891,563.04-1,230,335.64-493,730.28

Finding the Fourth Proportional to 891,563.04, 1,230,335.64 and 493,730.28

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Solution

The fourth proportional to 891,563.04, 1,230,335.64 and 493,730.28 is: 681,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,563.04 : 1,230,335.64 = 493,730.28 : x
  2. Step 2: Convert to fraction form
    891,563.04/1,230,335.64 = 493,730.28/x
  3. Step 3: Cross multiply
    891,563.04x = 1,230,335.64 × 493,730.28
  4. Step 4: Simplify right side
    891,563.04x = 607,453,960,031.18
  5. Step 5: Solve for x
    x = 607,453,960,031.18/891,563.04
  6. Step 6: Final answer
    x = 681,335.96

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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.