Home / 757,473.48-1,045,312.68-417,941.76

Finding the Fourth Proportional to 757,473.48, 1,045,312.68 and 417,941.76

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Solution

The fourth proportional to 757,473.48, 1,045,312.68 and 417,941.76 is: 576,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,473.48 : 1,045,312.68 = 417,941.76 : x
  2. Step 2: Convert to fraction form
    757,473.48/1,045,312.68 = 417,941.76/x
  3. Step 3: Cross multiply
    757,473.48x = 1,045,312.68 × 417,941.76
  4. Step 4: Simplify right side
    757,473.48x = 436,879,821,229.52
  5. Step 5: Solve for x
    x = 436,879,821,229.52/757,473.48
  6. Step 6: Final answer
    x = 576,759.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.