Home / 947,022.90-1,306,567.44-539,022.66

Finding the Fourth Proportional to 947,022.90, 1,306,567.44 and 539,022.66

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Solution

The fourth proportional to 947,022.90, 1,306,567.44 and 539,022.66 is: 743,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,022.90 : 1,306,567.44 = 539,022.66 : x
  2. Step 2: Convert to fraction form
    947,022.90/1,306,567.44 = 539,022.66/x
  3. Step 3: Cross multiply
    947,022.90x = 1,306,567.44 × 539,022.66
  4. Step 4: Simplify right side
    947,022.90x = 704,269,456,978.19
  5. Step 5: Solve for x
    x = 704,269,456,978.19/947,022.90
  6. Step 6: Final answer
    x = 743,666.77

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1.5x scale

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.