Home / 761,429.46-1,142,146.74-192,810.28

Finding the Fourth Proportional to 761,429.46, 1,142,146.74 and 192,810.28

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Solution

The fourth proportional to 761,429.46, 1,142,146.74 and 192,810.28 is: 289,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,429.46 : 1,142,146.74 = 192,810.28 : x
  2. Step 2: Convert to fraction form
    761,429.46/1,142,146.74 = 192,810.28/x
  3. Step 3: Cross multiply
    761,429.46x = 1,142,146.74 × 192,810.28
  4. Step 4: Simplify right side
    761,429.46x = 220,217,632,740.49
  5. Step 5: Solve for x
    x = 220,217,632,740.49/761,429.46
  6. Step 6: Final answer
    x = 289,216.07

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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.