Home / 423,690.90-637,826.94-385,982.52

Finding the Fourth Proportional to 423,690.90, 637,826.94 and 385,982.52

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Solution

The fourth proportional to 423,690.90, 637,826.94 and 385,982.52 is: 581,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,690.90 : 637,826.94 = 385,982.52 : x
  2. Step 2: Convert to fraction form
    423,690.90/637,826.94 = 385,982.52/x
  3. Step 3: Cross multiply
    423,690.90x = 637,826.94 × 385,982.52
  4. Step 4: Simplify right side
    423,690.90x = 246,190,047,941.55
  5. Step 5: Solve for x
    x = 246,190,047,941.55/423,690.90
  6. Step 6: Final answer
    x = 581,060.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.