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Finding the Fourth Proportional to 520,001.55, 779,273.33 and 413,567.55

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Solution

The fourth proportional to 520,001.55, 779,273.33 and 413,567.55 is: 619,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,001.55 : 779,273.33 = 413,567.55 : x
  2. Step 2: Convert to fraction form
    520,001.55/779,273.33 = 413,567.55/x
  3. Step 3: Cross multiply
    520,001.55x = 779,273.33 × 413,567.55
  4. Step 4: Simplify right side
    520,001.55x = 322,282,159,800.60
  5. Step 5: Solve for x
    x = 322,282,159,800.60/520,001.55
  6. Step 6: Final answer
    x = 619,771.54

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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.