Home / 935,071.42-1,289,800.14-648,486.94

Finding the Fourth Proportional to 935,071.42, 1,289,800.14 and 648,486.94

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Solution

The fourth proportional to 935,071.42, 1,289,800.14 and 648,486.94 is: 894,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,071.42 : 1,289,800.14 = 648,486.94 : x
  2. Step 2: Convert to fraction form
    935,071.42/1,289,800.14 = 648,486.94/x
  3. Step 3: Cross multiply
    935,071.42x = 1,289,800.14 × 648,486.94
  4. Step 4: Simplify right side
    935,071.42x = 836,418,546,000.17
  5. Step 5: Solve for x
    x = 836,418,546,000.17/935,071.42
  6. Step 6: Final answer
    x = 894,496.96

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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.