Home / 835,403.08-1,152,853.32-453,429.86

Finding the Fourth Proportional to 835,403.08, 1,152,853.32 and 453,429.86

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Solution

The fourth proportional to 835,403.08, 1,152,853.32 and 453,429.86 is: 625,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,403.08 : 1,152,853.32 = 453,429.86 : x
  2. Step 2: Convert to fraction form
    835,403.08/1,152,853.32 = 453,429.86/x
  3. Step 3: Cross multiply
    835,403.08x = 1,152,853.32 × 453,429.86
  4. Step 4: Simplify right side
    835,403.08x = 522,738,119,488.14
  5. Step 5: Solve for x
    x = 522,738,119,488.14/835,403.08
  6. Step 6: Final answer
    x = 625,731.62

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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.