Home / 670,231.40-1,005,638.70-337,807.40

Finding the Fourth Proportional to 670,231.40, 1,005,638.70 and 337,807.40

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Solution

The fourth proportional to 670,231.40, 1,005,638.70 and 337,807.40 is: 506,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,231.40 : 1,005,638.70 = 337,807.40 : x
  2. Step 2: Convert to fraction form
    670,231.40/1,005,638.70 = 337,807.40/x
  3. Step 3: Cross multiply
    670,231.40x = 1,005,638.70 × 337,807.40
  4. Step 4: Simplify right side
    670,231.40x = 339,712,194,586.38
  5. Step 5: Solve for x
    x = 339,712,194,586.38/670,231.40
  6. Step 6: Final answer
    x = 506,858.07

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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.