Home / 835,423.40-1,152,853.43-453,441.98

Finding the Fourth Proportional to 835,423.40, 1,152,853.43 and 453,441.98

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Solution

The fourth proportional to 835,423.40, 1,152,853.43 and 453,441.98 is: 625,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,423.40 : 1,152,853.43 = 453,441.98 : x
  2. Step 2: Convert to fraction form
    835,423.40/1,152,853.43 = 453,441.98/x
  3. Step 3: Cross multiply
    835,423.40x = 1,152,853.43 × 453,441.98
  4. Step 4: Simplify right side
    835,423.40x = 522,752,142,563.92
  5. Step 5: Solve for x
    x = 522,752,142,563.92/835,423.40
  6. Step 6: Final answer
    x = 625,733.18

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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.