Home / 761,299.68-1,141,189.20-508,792.80

Finding the Fourth Proportional to 761,299.68, 1,141,189.20 and 508,792.80

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Solution

The fourth proportional to 761,299.68, 1,141,189.20 and 508,792.80 is: 762,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,299.68 : 1,141,189.20 = 508,792.80 : x
  2. Step 2: Convert to fraction form
    761,299.68/1,141,189.20 = 508,792.80/x
  3. Step 3: Cross multiply
    761,299.68x = 1,141,189.20 × 508,792.80
  4. Step 4: Simplify right side
    761,299.68x = 580,628,848,397.76
  5. Step 5: Solve for x
    x = 580,628,848,397.76/761,299.68
  6. Step 6: Final answer
    x = 762,681.06

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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.