Home / 768,853.52-1,060,947.24-496,929.68

Finding the Fourth Proportional to 768,853.52, 1,060,947.24 and 496,929.68

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Solution

The fourth proportional to 768,853.52, 1,060,947.24 and 496,929.68 is: 685,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,853.52 : 1,060,947.24 = 496,929.68 : x
  2. Step 2: Convert to fraction form
    768,853.52/1,060,947.24 = 496,929.68/x
  3. Step 3: Cross multiply
    768,853.52x = 1,060,947.24 × 496,929.68
  4. Step 4: Simplify right side
    768,853.52x = 527,216,172,470.08
  5. Step 5: Solve for x
    x = 527,216,172,470.08/768,853.52
  6. Step 6: Final answer
    x = 685,717.32

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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.