Home / 745,210.55-1,117,834.27-271,895.91

Finding the Fourth Proportional to 745,210.55, 1,117,834.27 and 271,895.91

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Solution

The fourth proportional to 745,210.55, 1,117,834.27 and 271,895.91 is: 407,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,210.55 : 1,117,834.27 = 271,895.91 : x
  2. Step 2: Convert to fraction form
    745,210.55/1,117,834.27 = 271,895.91/x
  3. Step 3: Cross multiply
    745,210.55x = 1,117,834.27 × 271,895.91
  4. Step 4: Simplify right side
    745,210.55x = 303,934,562,728.63
  5. Step 5: Solve for x
    x = 303,934,562,728.63/745,210.55
  6. Step 6: Final answer
    x = 407,850.59

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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.