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Finding the Fourth Proportional to 637,810.40, 956,715.60 and 488,511.20

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Solution

The fourth proportional to 637,810.40, 956,715.60 and 488,511.20 is: 732,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,810.40 : 956,715.60 = 488,511.20 : x
  2. Step 2: Convert to fraction form
    637,810.40/956,715.60 = 488,511.20/x
  3. Step 3: Cross multiply
    637,810.40x = 956,715.60 × 488,511.20
  4. Step 4: Simplify right side
    637,810.40x = 467,366,285,814.72
  5. Step 5: Solve for x
    x = 467,366,285,814.72/637,810.40
  6. Step 6: Final answer
    x = 732,766.80

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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.