Home / 880,731.64-1,215,484.62-498,826.36

Finding the Fourth Proportional to 880,731.64, 1,215,484.62 and 498,826.36

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Solution

The fourth proportional to 880,731.64, 1,215,484.62 and 498,826.36 is: 688,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,731.64 : 1,215,484.62 = 498,826.36 : x
  2. Step 2: Convert to fraction form
    880,731.64/1,215,484.62 = 498,826.36/x
  3. Step 3: Cross multiply
    880,731.64x = 1,215,484.62 × 498,826.36
  4. Step 4: Simplify right side
    880,731.64x = 606,315,768,630.58
  5. Step 5: Solve for x
    x = 606,315,768,630.58/880,731.64
  6. Step 6: Final answer
    x = 688,422.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.