Home / 875,919.40-1,313,922.30-456,015.40

Finding the Fourth Proportional to 875,919.40, 1,313,922.30 and 456,015.40

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Solution

The fourth proportional to 875,919.40, 1,313,922.30 and 456,015.40 is: 684,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,919.40 : 1,313,922.30 = 456,015.40 : x
  2. Step 2: Convert to fraction form
    875,919.40/1,313,922.30 = 456,015.40/x
  3. Step 3: Cross multiply
    875,919.40x = 1,313,922.30 × 456,015.40
  4. Step 4: Simplify right side
    875,919.40x = 599,168,803,203.42
  5. Step 5: Solve for x
    x = 599,168,803,203.42/875,919.40
  6. Step 6: Final answer
    x = 684,045.59

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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.