Home / 756,019.42-1,041,871.32-540,785.80

Finding the Fourth Proportional to 756,019.42, 1,041,871.32 and 540,785.80

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Solution

The fourth proportional to 756,019.42, 1,041,871.32 and 540,785.80 is: 745,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,019.42 : 1,041,871.32 = 540,785.80 : x
  2. Step 2: Convert to fraction form
    756,019.42/1,041,871.32 = 540,785.80/x
  3. Step 3: Cross multiply
    756,019.42x = 1,041,871.32 × 540,785.80
  4. Step 4: Simplify right side
    756,019.42x = 563,429,215,283.26
  5. Step 5: Solve for x
    x = 563,429,215,283.26/756,019.42
  6. Step 6: Final answer
    x = 745,257.60

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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.