Home / 719,562.35-1,077,622.80-415,033.35

Finding the Fourth Proportional to 719,562.35, 1,077,622.80 and 415,033.35

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Solution

The fourth proportional to 719,562.35, 1,077,622.80 and 415,033.35 is: 621,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,562.35 : 1,077,622.80 = 415,033.35 : x
  2. Step 2: Convert to fraction form
    719,562.35/1,077,622.80 = 415,033.35/x
  3. Step 3: Cross multiply
    719,562.35x = 1,077,622.80 × 415,033.35
  4. Step 4: Simplify right side
    719,562.35x = 447,249,398,645.21
  5. Step 5: Solve for x
    x = 447,249,398,645.21/719,562.35
  6. Step 6: Final answer
    x = 621,557.53

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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.