Home / 872,250.85-1,307,522.08-488,187.27

Finding the Fourth Proportional to 872,250.85, 1,307,522.08 and 488,187.27

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Solution

The fourth proportional to 872,250.85, 1,307,522.08 and 488,187.27 is: 731,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,250.85 : 1,307,522.08 = 488,187.27 : x
  2. Step 2: Convert to fraction form
    872,250.85/1,307,522.08 = 488,187.27/x
  3. Step 3: Cross multiply
    872,250.85x = 1,307,522.08 × 488,187.27
  4. Step 4: Simplify right side
    872,250.85x = 638,315,634,699.92
  5. Step 5: Solve for x
    x = 638,315,634,699.92/872,250.85
  6. Step 6: Final answer
    x = 731,802.82

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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.