Home / 424,898.10-637,975.30-283,623.57

Finding the Fourth Proportional to 424,898.10, 637,975.30 and 283,623.57

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Solution

The fourth proportional to 424,898.10, 637,975.30 and 283,623.57 is: 425,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,898.10 : 637,975.30 = 283,623.57 : x
  2. Step 2: Convert to fraction form
    424,898.10/637,975.30 = 283,623.57/x
  3. Step 3: Cross multiply
    424,898.10x = 637,975.30 × 283,623.57
  4. Step 4: Simplify right side
    424,898.10x = 180,944,831,271.94
  5. Step 5: Solve for x
    x = 180,944,831,271.94/424,898.10
  6. Step 6: Final answer
    x = 425,854.65

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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.