Home / 571,450.10-857,221.83-286,994.36

Finding the Fourth Proportional to 571,450.10, 857,221.83 and 286,994.36

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Solution

The fourth proportional to 571,450.10, 857,221.83 and 286,994.36 is: 430,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,450.10 : 857,221.83 = 286,994.36 : x
  2. Step 2: Convert to fraction form
    571,450.10/857,221.83 = 286,994.36/x
  3. Step 3: Cross multiply
    571,450.10x = 857,221.83 × 286,994.36
  4. Step 4: Simplify right side
    571,450.10x = 246,017,826,192.77
  5. Step 5: Solve for x
    x = 246,017,826,192.77/571,450.10
  6. Step 6: Final answer
    x = 430,514.98

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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.