Home / 868,050.30-1,302,075.45-728,082.30

Finding the Fourth Proportional to 868,050.30, 1,302,075.45 and 728,082.30

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Solution

The fourth proportional to 868,050.30, 1,302,075.45 and 728,082.30 is: 1,092,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,050.30 : 1,302,075.45 = 728,082.30 : x
  2. Step 2: Convert to fraction form
    868,050.30/1,302,075.45 = 728,082.30/x
  3. Step 3: Cross multiply
    868,050.30x = 1,302,075.45 × 728,082.30
  4. Step 4: Simplify right side
    868,050.30x = 948,018,088,409.54
  5. Step 5: Solve for x
    x = 948,018,088,409.54/868,050.30
  6. Step 6: Final answer
    x = 1,092,123.45

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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.