Home / 439,964.40-659,946.60-282,500.40

Finding the Fourth Proportional to 439,964.40, 659,946.60 and 282,500.40

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Solution

The fourth proportional to 439,964.40, 659,946.60 and 282,500.40 is: 423,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,964.40 : 659,946.60 = 282,500.40 : x
  2. Step 2: Convert to fraction form
    439,964.40/659,946.60 = 282,500.40/x
  3. Step 3: Cross multiply
    439,964.40x = 659,946.60 × 282,500.40
  4. Step 4: Simplify right side
    439,964.40x = 186,435,178,478.64
  5. Step 5: Solve for x
    x = 186,435,178,478.64/439,964.40
  6. Step 6: Final answer
    x = 423,750.60

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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.