Home / 439,711.60-659,567.40-107,287.60

Finding the Fourth Proportional to 439,711.60, 659,567.40 and 107,287.60

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Solution

The fourth proportional to 439,711.60, 659,567.40 and 107,287.60 is: 160,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,711.60 : 659,567.40 = 107,287.60 : x
  2. Step 2: Convert to fraction form
    439,711.60/659,567.40 = 107,287.60/x
  3. Step 3: Cross multiply
    439,711.60x = 659,567.40 × 107,287.60
  4. Step 4: Simplify right side
    439,711.60x = 70,763,403,384.24
  5. Step 5: Solve for x
    x = 70,763,403,384.24/439,711.60
  6. Step 6: Final answer
    x = 160,931.40

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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.