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Finding the Fourth Proportional to 628,236.66, 942,828.60 and 460,187.58

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Solution

The fourth proportional to 628,236.66, 942,828.60 and 460,187.58 is: 690,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,236.66 : 942,828.60 = 460,187.58 : x
  2. Step 2: Convert to fraction form
    628,236.66/942,828.60 = 460,187.58/x
  3. Step 3: Cross multiply
    628,236.66x = 942,828.60 × 460,187.58
  4. Step 4: Simplify right side
    628,236.66x = 433,878,011,788.79
  5. Step 5: Solve for x
    x = 433,878,011,788.79/628,236.66
  6. Step 6: Final answer
    x = 690,628.29

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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.