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Finding the Fourth Proportional to 550,147.80, 824,237.55 and 471,415.80

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Solution

The fourth proportional to 550,147.80, 824,237.55 and 471,415.80 is: 706,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,147.80 : 824,237.55 = 471,415.80 : x
  2. Step 2: Convert to fraction form
    550,147.80/824,237.55 = 471,415.80/x
  3. Step 3: Cross multiply
    550,147.80x = 824,237.55 × 471,415.80
  4. Step 4: Simplify right side
    550,147.80x = 388,558,604,023.29
  5. Step 5: Solve for x
    x = 388,558,604,023.29/550,147.80
  6. Step 6: Final answer
    x = 706,280.39

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1.5x scale

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.