Home / 759,550.72-1,047,345.33-487,515.85

Finding the Fourth Proportional to 759,550.72, 1,047,345.33 and 487,515.85

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Solution

The fourth proportional to 759,550.72, 1,047,345.33 and 487,515.85 is: 672,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,550.72 : 1,047,345.33 = 487,515.85 : x
  2. Step 2: Convert to fraction form
    759,550.72/1,047,345.33 = 487,515.85/x
  3. Step 3: Cross multiply
    759,550.72x = 1,047,345.33 × 487,515.85
  4. Step 4: Simplify right side
    759,550.72x = 510,597,448,798.48
  5. Step 5: Solve for x
    x = 510,597,448,798.48/759,550.72
  6. Step 6: Final answer
    x = 672,236.15

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Double scale
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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.