Home / 856,771.29-1,182,474.65-546,807.61

Finding the Fourth Proportional to 856,771.29, 1,182,474.65 and 546,807.61

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Solution

The fourth proportional to 856,771.29, 1,182,474.65 and 546,807.61 is: 754,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,771.29 : 1,182,474.65 = 546,807.61 : x
  2. Step 2: Convert to fraction form
    856,771.29/1,182,474.65 = 546,807.61/x
  3. Step 3: Cross multiply
    856,771.29x = 1,182,474.65 × 546,807.61
  4. Step 4: Simplify right side
    856,771.29x = 646,586,137,252.09
  5. Step 5: Solve for x
    x = 646,586,137,252.09/856,771.29
  6. Step 6: Final answer
    x = 754,677.64

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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.