Home / 783,280.31-1,174,681.28-541,674.43

Finding the Fourth Proportional to 783,280.31, 1,174,681.28 and 541,674.43

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Solution

The fourth proportional to 783,280.31, 1,174,681.28 and 541,674.43 is: 812,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,280.31 : 1,174,681.28 = 541,674.43 : x
  2. Step 2: Convert to fraction form
    783,280.31/1,174,681.28 = 541,674.43/x
  3. Step 3: Cross multiply
    783,280.31x = 1,174,681.28 × 541,674.43
  4. Step 4: Simplify right side
    783,280.31x = 636,294,814,582.57
  5. Step 5: Solve for x
    x = 636,294,814,582.57/783,280.31
  6. Step 6: Final answer
    x = 812,346.24

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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.