Home / 828,869.88-1,143,814.86-466,313.88

Finding the Fourth Proportional to 828,869.88, 1,143,814.86 and 466,313.88

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Solution

The fourth proportional to 828,869.88, 1,143,814.86 and 466,313.88 is: 643,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,869.88 : 1,143,814.86 = 466,313.88 : x
  2. Step 2: Convert to fraction form
    828,869.88/1,143,814.86 = 466,313.88/x
  3. Step 3: Cross multiply
    828,869.88x = 1,143,814.86 × 466,313.88
  4. Step 4: Simplify right side
    828,869.88x = 533,376,745,368.26
  5. Step 5: Solve for x
    x = 533,376,745,368.26/828,869.88
  6. Step 6: Final answer
    x = 643,498.77

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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.