Home / 721,060.80-1,081,263.15-384,014.94

Finding the Fourth Proportional to 721,060.80, 1,081,263.15 and 384,014.94

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Solution

The fourth proportional to 721,060.80, 1,081,263.15 and 384,014.94 is: 575,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,060.80 : 1,081,263.15 = 384,014.94 : x
  2. Step 2: Convert to fraction form
    721,060.80/1,081,263.15 = 384,014.94/x
  3. Step 3: Cross multiply
    721,060.80x = 1,081,263.15 × 384,014.94
  4. Step 4: Simplify right side
    721,060.80x = 415,221,203,671.46
  5. Step 5: Solve for x
    x = 415,221,203,671.46/721,060.80
  6. Step 6: Final answer
    x = 575,847.70

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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.