Home / 724,630.60-1,087,205.10-304,035.40

Finding the Fourth Proportional to 724,630.60, 1,087,205.10 and 304,035.40

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Solution

The fourth proportional to 724,630.60, 1,087,205.10 and 304,035.40 is: 456,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,630.60 : 1,087,205.10 = 304,035.40 : x
  2. Step 2: Convert to fraction form
    724,630.60/1,087,205.10 = 304,035.40/x
  3. Step 3: Cross multiply
    724,630.60x = 1,087,205.10 × 304,035.40
  4. Step 4: Simplify right side
    724,630.60x = 330,548,837,460.54
  5. Step 5: Solve for x
    x = 330,548,837,460.54/724,630.60
  6. Step 6: Final answer
    x = 456,161.85

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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.