Home / 761,634.92-1,050,816.02-439,301.80

Finding the Fourth Proportional to 761,634.92, 1,050,816.02 and 439,301.80

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Solution

The fourth proportional to 761,634.92, 1,050,816.02 and 439,301.80 is: 606,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,634.92 : 1,050,816.02 = 439,301.80 : x
  2. Step 2: Convert to fraction form
    761,634.92/1,050,816.02 = 439,301.80/x
  3. Step 3: Cross multiply
    761,634.92x = 1,050,816.02 × 439,301.80
  4. Step 4: Simplify right side
    761,634.92x = 461,625,369,054.84
  5. Step 5: Solve for x
    x = 461,625,369,054.84/761,634.92
  6. Step 6: Final answer
    x = 606,097.96

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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.