Home / 424,917.40-637,404.90-144,455.80

Finding the Fourth Proportional to 424,917.40, 637,404.90 and 144,455.80

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Solution

The fourth proportional to 424,917.40, 637,404.90 and 144,455.80 is: 216,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,917.40 : 637,404.90 = 144,455.80 : x
  2. Step 2: Convert to fraction form
    424,917.40/637,404.90 = 144,455.80/x
  3. Step 3: Cross multiply
    424,917.40x = 637,404.90 × 144,455.80
  4. Step 4: Simplify right side
    424,917.40x = 92,076,834,753.42
  5. Step 5: Solve for x
    x = 92,076,834,753.42/424,917.40
  6. Step 6: Final answer
    x = 216,693.49

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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.