Home / 1,087,230.80-1,630,838.10-329,070.80

Finding the Fourth Proportional to 1,087,230.80, 1,630,838.10 and 329,070.80

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Solution

The fourth proportional to 1,087,230.80, 1,630,838.10 and 329,070.80 is: 493,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,230.80 : 1,630,838.10 = 329,070.80 : x
  2. Step 2: Convert to fraction form
    1,087,230.80/1,630,838.10 = 329,070.80/x
  3. Step 3: Cross multiply
    1,087,230.80x = 1,630,838.10 × 329,070.80
  4. Step 4: Simplify right side
    1,087,230.80x = 536,661,198,237.48
  5. Step 5: Solve for x
    x = 536,661,198,237.48/1,087,230.80
  6. Step 6: Final answer
    x = 493,603.75

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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.