Home / 886,887.80-1,330,331.70-532,302.20

Finding the Fourth Proportional to 886,887.80, 1,330,331.70 and 532,302.20

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Solution

The fourth proportional to 886,887.80, 1,330,331.70 and 532,302.20 is: 798,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,887.80 : 1,330,331.70 = 532,302.20 : x
  2. Step 2: Convert to fraction form
    886,887.80/1,330,331.70 = 532,302.20/x
  3. Step 3: Cross multiply
    886,887.80x = 1,330,331.70 × 532,302.20
  4. Step 4: Simplify right side
    886,887.80x = 708,138,490,639.74
  5. Step 5: Solve for x
    x = 708,138,490,639.74/886,887.80
  6. Step 6: Final answer
    x = 798,453.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.