Home / 756,021.60-1,043,344.80-514,576.80

Finding the Fourth Proportional to 756,021.60, 1,043,344.80 and 514,576.80

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Solution

The fourth proportional to 756,021.60, 1,043,344.80 and 514,576.80 is: 710,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,021.60 : 1,043,344.80 = 514,576.80 : x
  2. Step 2: Convert to fraction form
    756,021.60/1,043,344.80 = 514,576.80/x
  3. Step 3: Cross multiply
    756,021.60x = 1,043,344.80 × 514,576.80
  4. Step 4: Simplify right side
    756,021.60x = 536,881,028,480.64
  5. Step 5: Solve for x
    x = 536,881,028,480.64/756,021.60
  6. Step 6: Final answer
    x = 710,139.80

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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.