Home / 972,441.20-1,458,005.70-517,107.80

Finding the Fourth Proportional to 972,441.20, 1,458,005.70 and 517,107.80

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Solution

The fourth proportional to 972,441.20, 1,458,005.70 and 517,107.80 is: 775,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,441.20 : 1,458,005.70 = 517,107.80 : x
  2. Step 2: Convert to fraction form
    972,441.20/1,458,005.70 = 517,107.80/x
  3. Step 3: Cross multiply
    972,441.20x = 1,458,005.70 × 517,107.80
  4. Step 4: Simplify right side
    972,441.20x = 753,946,119,914.46
  5. Step 5: Solve for x
    x = 753,946,119,914.46/972,441.20
  6. Step 6: Final answer
    x = 775,312.81

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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.