Home / 935,394.71-1,402,655.87-485,994.76

Finding the Fourth Proportional to 935,394.71, 1,402,655.87 and 485,994.76

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Solution

The fourth proportional to 935,394.71, 1,402,655.87 and 485,994.76 is: 728,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,394.71 : 1,402,655.87 = 485,994.76 : x
  2. Step 2: Convert to fraction form
    935,394.71/1,402,655.87 = 485,994.76/x
  3. Step 3: Cross multiply
    935,394.71x = 1,402,655.87 × 485,994.76
  4. Step 4: Simplify right side
    935,394.71x = 681,683,398,181.62
  5. Step 5: Solve for x
    x = 681,683,398,181.62/935,394.71
  6. Step 6: Final answer
    x = 728,765.51

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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.