Home / 700,087.40-1,050,246.30-300,919.40

Finding the Fourth Proportional to 700,087.40, 1,050,246.30 and 300,919.40

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Solution

The fourth proportional to 700,087.40, 1,050,246.30 and 300,919.40 is: 451,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,087.40 : 1,050,246.30 = 300,919.40 : x
  2. Step 2: Convert to fraction form
    700,087.40/1,050,246.30 = 300,919.40/x
  3. Step 3: Cross multiply
    700,087.40x = 1,050,246.30 × 300,919.40
  4. Step 4: Simplify right side
    700,087.40x = 316,039,486,448.22
  5. Step 5: Solve for x
    x = 316,039,486,448.22/700,087.40
  6. Step 6: Final answer
    x = 451,428.62

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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.