Home / 985,310.72-1,477,931.52-275,333.12

Finding the Fourth Proportional to 985,310.72, 1,477,931.52 and 275,333.12

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Solution

The fourth proportional to 985,310.72, 1,477,931.52 and 275,333.12 is: 412,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,310.72 : 1,477,931.52 = 275,333.12 : x
  2. Step 2: Convert to fraction form
    985,310.72/1,477,931.52 = 275,333.12/x
  3. Step 3: Cross multiply
    985,310.72x = 1,477,931.52 × 275,333.12
  4. Step 4: Simplify right side
    985,310.72x = 406,923,496,547.94
  5. Step 5: Solve for x
    x = 406,923,496,547.94/985,310.72
  6. Step 6: Final answer
    x = 412,990.02

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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.