Home / 774,209.13-1,068,408.60-434,684.67

Finding the Fourth Proportional to 774,209.13, 1,068,408.60 and 434,684.67

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Solution

The fourth proportional to 774,209.13, 1,068,408.60 and 434,684.67 is: 599,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,209.13 : 1,068,408.60 = 434,684.67 : x
  2. Step 2: Convert to fraction form
    774,209.13/1,068,408.60 = 434,684.67/x
  3. Step 3: Cross multiply
    774,209.13x = 1,068,408.60 × 434,684.67
  4. Step 4: Simplify right side
    774,209.13x = 464,420,832,200.70
  5. Step 5: Solve for x
    x = 464,420,832,200.70/774,209.13
  6. Step 6: Final answer
    x = 599,864.84

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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.