Home / 743,059.60-1,114,238.04-287,864.08

Finding the Fourth Proportional to 743,059.60, 1,114,238.04 and 287,864.08

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Solution

The fourth proportional to 743,059.60, 1,114,238.04 and 287,864.08 is: 431,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,059.60 : 1,114,238.04 = 287,864.08 : x
  2. Step 2: Convert to fraction form
    743,059.60/1,114,238.04 = 287,864.08/x
  3. Step 3: Cross multiply
    743,059.60x = 1,114,238.04 × 287,864.08
  4. Step 4: Simplify right side
    743,059.60x = 320,749,108,285.60
  5. Step 5: Solve for x
    x = 320,749,108,285.60/743,059.60
  6. Step 6: Final answer
    x = 431,660.00

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1.5x scale

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.