Home / 767,683.80-1,059,061.02-445,206.96

Finding the Fourth Proportional to 767,683.80, 1,059,061.02 and 445,206.96

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Solution

The fourth proportional to 767,683.80, 1,059,061.02 and 445,206.96 is: 614,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,683.80 : 1,059,061.02 = 445,206.96 : x
  2. Step 2: Convert to fraction form
    767,683.80/1,059,061.02 = 445,206.96/x
  3. Step 3: Cross multiply
    767,683.80x = 1,059,061.02 × 445,206.96
  4. Step 4: Simplify right side
    767,683.80x = 471,501,337,168.70
  5. Step 5: Solve for x
    x = 471,501,337,168.70/767,683.80
  6. Step 6: Final answer
    x = 614,186.91

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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.