Home / 761,047.57-1,049,847.48-470,566.28

Finding the Fourth Proportional to 761,047.57, 1,049,847.48 and 470,566.28

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Solution

The fourth proportional to 761,047.57, 1,049,847.48 and 470,566.28 is: 649,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,047.57 : 1,049,847.48 = 470,566.28 : x
  2. Step 2: Convert to fraction form
    761,047.57/1,049,847.48 = 470,566.28/x
  3. Step 3: Cross multiply
    761,047.57x = 1,049,847.48 × 470,566.28
  4. Step 4: Simplify right side
    761,047.57x = 494,022,825,855.59
  5. Step 5: Solve for x
    x = 494,022,825,855.59/761,047.57
  6. Step 6: Final answer
    x = 649,135.28

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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.