Home / 458,538.02-631,741.57-354,815.59

Finding the Fourth Proportional to 458,538.02, 631,741.57 and 354,815.59

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Solution

The fourth proportional to 458,538.02, 631,741.57 and 354,815.59 is: 488,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,538.02 : 631,741.57 = 354,815.59 : x
  2. Step 2: Convert to fraction form
    458,538.02/631,741.57 = 354,815.59/x
  3. Step 3: Cross multiply
    458,538.02x = 631,741.57 × 354,815.59
  4. Step 4: Simplify right side
    458,538.02x = 224,151,756,113.00
  5. Step 5: Solve for x
    x = 224,151,756,113.00/458,538.02
  6. Step 6: Final answer
    x = 488,840.07

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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.