Home / 804,931.30-1,206,014.55-425,289.70

Finding the Fourth Proportional to 804,931.30, 1,206,014.55 and 425,289.70

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Solution

The fourth proportional to 804,931.30, 1,206,014.55 and 425,289.70 is: 637,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,931.30 : 1,206,014.55 = 425,289.70 : x
  2. Step 2: Convert to fraction form
    804,931.30/1,206,014.55 = 425,289.70/x
  3. Step 3: Cross multiply
    804,931.30x = 1,206,014.55 × 425,289.70
  4. Step 4: Simplify right side
    804,931.30x = 512,905,566,165.14
  5. Step 5: Solve for x
    x = 512,905,566,165.14/804,931.30
  6. Step 6: Final answer
    x = 637,204.15

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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.