Home / 889,984.80-1,334,977.20-535,399.20

Finding the Fourth Proportional to 889,984.80, 1,334,977.20 and 535,399.20

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Solution

The fourth proportional to 889,984.80, 1,334,977.20 and 535,399.20 is: 803,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,984.80 : 1,334,977.20 = 535,399.20 : x
  2. Step 2: Convert to fraction form
    889,984.80/1,334,977.20 = 535,399.20/x
  3. Step 3: Cross multiply
    889,984.80x = 1,334,977.20 × 535,399.20
  4. Step 4: Simplify right side
    889,984.80x = 714,745,724,898.24
  5. Step 5: Solve for x
    x = 714,745,724,898.24/889,984.80
  6. Step 6: Final answer
    x = 803,098.80

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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.