Home / 935,090.28-1,289,826.18-648,505.80

Finding the Fourth Proportional to 935,090.28, 1,289,826.18 and 648,505.80

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Solution

The fourth proportional to 935,090.28, 1,289,826.18 and 648,505.80 is: 894,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,090.28 : 1,289,826.18 = 648,505.80 : x
  2. Step 2: Convert to fraction form
    935,090.28/1,289,826.18 = 648,505.80/x
  3. Step 3: Cross multiply
    935,090.28x = 1,289,826.18 × 648,505.80
  4. Step 4: Simplify right side
    935,090.28x = 836,459,758,721.84
  5. Step 5: Solve for x
    x = 836,459,758,721.84/935,090.28
  6. Step 6: Final answer
    x = 894,523.00

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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.