Home / 761,434.29-1,050,889.68-439,080.21

Finding the Fourth Proportional to 761,434.29, 1,050,889.68 and 439,080.21

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Solution

The fourth proportional to 761,434.29, 1,050,889.68 and 439,080.21 is: 605,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,434.29 : 1,050,889.68 = 439,080.21 : x
  2. Step 2: Convert to fraction form
    761,434.29/1,050,889.68 = 439,080.21/x
  3. Step 3: Cross multiply
    761,434.29x = 1,050,889.68 × 439,080.21
  4. Step 4: Simplify right side
    761,434.29x = 461,424,861,381.23
  5. Step 5: Solve for x
    x = 461,424,861,381.23/761,434.29
  6. Step 6: Final answer
    x = 605,994.33

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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.