Home / 867,082.20-1,300,623.30-657,130.20

Finding the Fourth Proportional to 867,082.20, 1,300,623.30 and 657,130.20

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Solution

The fourth proportional to 867,082.20, 1,300,623.30 and 657,130.20 is: 985,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,082.20 : 1,300,623.30 = 657,130.20 : x
  2. Step 2: Convert to fraction form
    867,082.20/1,300,623.30 = 657,130.20/x
  3. Step 3: Cross multiply
    867,082.20x = 1,300,623.30 × 657,130.20
  4. Step 4: Simplify right side
    867,082.20x = 854,678,849,253.66
  5. Step 5: Solve for x
    x = 854,678,849,253.66/867,082.20
  6. Step 6: Final answer
    x = 985,695.30

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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.