Home / 810,823.60-1,119,237.24-488,551.60

Finding the Fourth Proportional to 810,823.60, 1,119,237.24 and 488,551.60

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Solution

The fourth proportional to 810,823.60, 1,119,237.24 and 488,551.60 is: 674,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,823.60 : 1,119,237.24 = 488,551.60 : x
  2. Step 2: Convert to fraction form
    810,823.60/1,119,237.24 = 488,551.60/x
  3. Step 3: Cross multiply
    810,823.60x = 1,119,237.24 × 488,551.60
  4. Step 4: Simplify right side
    810,823.60x = 546,805,144,381.58
  5. Step 5: Solve for x
    x = 546,805,144,381.58/810,823.60
  6. Step 6: Final answer
    x = 674,382.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.