Home / 835,412.30-1,152,871.20-453,439.07

Finding the Fourth Proportional to 835,412.30, 1,152,871.20 and 453,439.07

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Solution

The fourth proportional to 835,412.30, 1,152,871.20 and 453,439.07 is: 625,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,412.30 : 1,152,871.20 = 453,439.07 : x
  2. Step 2: Convert to fraction form
    835,412.30/1,152,871.20 = 453,439.07/x
  3. Step 3: Cross multiply
    835,412.30x = 1,152,871.20 × 453,439.07
  4. Step 4: Simplify right side
    835,412.30x = 522,756,838,993.43
  5. Step 5: Solve for x
    x = 522,756,838,993.43/835,412.30
  6. Step 6: Final answer
    x = 625,747.12

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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.