Home / 721,854.60-1,082,927.70-248,587.80

Finding the Fourth Proportional to 721,854.60, 1,082,927.70 and 248,587.80

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Solution

The fourth proportional to 721,854.60, 1,082,927.70 and 248,587.80 is: 372,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,854.60 : 1,082,927.70 = 248,587.80 : x
  2. Step 2: Convert to fraction form
    721,854.60/1,082,927.70 = 248,587.80/x
  3. Step 3: Cross multiply
    721,854.60x = 1,082,927.70 × 248,587.80
  4. Step 4: Simplify right side
    721,854.60x = 269,202,614,502.06
  5. Step 5: Solve for x
    x = 269,202,614,502.06/721,854.60
  6. Step 6: Final answer
    x = 372,931.91

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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.