Home / 847,644.10-1,272,450.30-488,101.30

Finding the Fourth Proportional to 847,644.10, 1,272,450.30 and 488,101.30

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Solution

The fourth proportional to 847,644.10, 1,272,450.30 and 488,101.30 is: 732,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,644.10 : 1,272,450.30 = 488,101.30 : x
  2. Step 2: Convert to fraction form
    847,644.10/1,272,450.30 = 488,101.30/x
  3. Step 3: Cross multiply
    847,644.10x = 1,272,450.30 × 488,101.30
  4. Step 4: Simplify right side
    847,644.10x = 621,084,645,615.39
  5. Step 5: Solve for x
    x = 621,084,645,615.39/847,644.10
  6. Step 6: Final answer
    x = 732,718.66

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Double scale
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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.