Home / 906,333.08-1,250,714.70-498,434.80

Finding the Fourth Proportional to 906,333.08, 1,250,714.70 and 498,434.80

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Solution

The fourth proportional to 906,333.08, 1,250,714.70 and 498,434.80 is: 687,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,333.08 : 1,250,714.70 = 498,434.80 : x
  2. Step 2: Convert to fraction form
    906,333.08/1,250,714.70 = 498,434.80/x
  3. Step 3: Cross multiply
    906,333.08x = 1,250,714.70 × 498,434.80
  4. Step 4: Simplify right side
    906,333.08x = 623,399,731,351.56
  5. Step 5: Solve for x
    x = 623,399,731,351.56/906,333.08
  6. Step 6: Final answer
    x = 687,826.30

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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.