Home / 775,665.48-1,069,535.82-546,149.40

Finding the Fourth Proportional to 775,665.48, 1,069,535.82 and 546,149.40

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Solution

The fourth proportional to 775,665.48, 1,069,535.82 and 546,149.40 is: 753,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,665.48 : 1,069,535.82 = 546,149.40 : x
  2. Step 2: Convert to fraction form
    775,665.48/1,069,535.82 = 546,149.40/x
  3. Step 3: Cross multiply
    775,665.48x = 1,069,535.82 × 546,149.40
  4. Step 4: Simplify right side
    775,665.48x = 584,126,346,371.51
  5. Step 5: Solve for x
    x = 584,126,346,371.51/775,665.48
  6. Step 6: Final answer
    x = 753,064.77

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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.