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Finding the Fourth Proportional to 540,169.80, 809,088.30 and 470,185.80

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Solution

The fourth proportional to 540,169.80, 809,088.30 and 470,185.80 is: 704,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,169.80 : 809,088.30 = 470,185.80 : x
  2. Step 2: Convert to fraction form
    540,169.80/809,088.30 = 470,185.80/x
  3. Step 3: Cross multiply
    540,169.80x = 809,088.30 × 470,185.80
  4. Step 4: Simplify right side
    540,169.80x = 380,421,829,606.14
  5. Step 5: Solve for x
    x = 380,421,829,606.14/540,169.80
  6. Step 6: Final answer
    x = 704,263.42

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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.