Home / 669,915.40-1,005,164.70-337,491.40

Finding the Fourth Proportional to 669,915.40, 1,005,164.70 and 337,491.40

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Solution

The fourth proportional to 669,915.40, 1,005,164.70 and 337,491.40 is: 506,384.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,915.40 : 1,005,164.70 = 337,491.40 : x
  2. Step 2: Convert to fraction form
    669,915.40/1,005,164.70 = 337,491.40/x
  3. Step 3: Cross multiply
    669,915.40x = 1,005,164.70 × 337,491.40
  4. Step 4: Simplify right side
    669,915.40x = 339,234,441,833.58
  5. Step 5: Solve for x
    x = 339,234,441,833.58/669,915.40
  6. Step 6: Final answer
    x = 506,384.00

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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.