Home / 683,915.40-1,026,164.70-328,746.60

Finding the Fourth Proportional to 683,915.40, 1,026,164.70 and 328,746.60

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Solution

The fourth proportional to 683,915.40, 1,026,164.70 and 328,746.60 is: 493,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,915.40 : 1,026,164.70 = 328,746.60 : x
  2. Step 2: Convert to fraction form
    683,915.40/1,026,164.70 = 328,746.60/x
  3. Step 3: Cross multiply
    683,915.40x = 1,026,164.70 × 328,746.60
  4. Step 4: Simplify right side
    683,915.40x = 337,348,156,165.02
  5. Step 5: Solve for x
    x = 337,348,156,165.02/683,915.40
  6. Step 6: Final answer
    x = 493,260.07

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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.