Home / 830,069.10-1,245,103.65-297,643.95

Finding the Fourth Proportional to 830,069.10, 1,245,103.65 and 297,643.95

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Solution

The fourth proportional to 830,069.10, 1,245,103.65 and 297,643.95 is: 446,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,069.10 : 1,245,103.65 = 297,643.95 : x
  2. Step 2: Convert to fraction form
    830,069.10/1,245,103.65 = 297,643.95/x
  3. Step 3: Cross multiply
    830,069.10x = 1,245,103.65 × 297,643.95
  4. Step 4: Simplify right side
    830,069.10x = 370,597,568,545.42
  5. Step 5: Solve for x
    x = 370,597,568,545.42/830,069.10
  6. Step 6: Final answer
    x = 446,465.93

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Double scale
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Similar ratio
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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.