Home / 866,128.70-1,298,501.85-367,082.30

Finding the Fourth Proportional to 866,128.70, 1,298,501.85 and 367,082.30

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Solution

The fourth proportional to 866,128.70, 1,298,501.85 and 367,082.30 is: 550,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,128.70 : 1,298,501.85 = 367,082.30 : x
  2. Step 2: Convert to fraction form
    866,128.70/1,298,501.85 = 367,082.30/x
  3. Step 3: Cross multiply
    866,128.70x = 1,298,501.85 × 367,082.30
  4. Step 4: Simplify right side
    866,128.70x = 476,657,045,652.26
  5. Step 5: Solve for x
    x = 476,657,045,652.26/866,128.70
  6. Step 6: Final answer
    x = 550,330.51

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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.