Home / 716,815.18-1,074,620.13-479,433.34

Finding the Fourth Proportional to 716,815.18, 1,074,620.13 and 479,433.34

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Solution

The fourth proportional to 716,815.18, 1,074,620.13 and 479,433.34 is: 718,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,815.18 : 1,074,620.13 = 479,433.34 : x
  2. Step 2: Convert to fraction form
    716,815.18/1,074,620.13 = 479,433.34/x
  3. Step 3: Cross multiply
    716,815.18x = 1,074,620.13 × 479,433.34
  4. Step 4: Simplify right side
    716,815.18x = 515,208,718,157.13
  5. Step 5: Solve for x
    x = 515,208,718,157.13/716,815.18
  6. Step 6: Final answer
    x = 718,746.94

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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.