Home / 788,463.85-1,088,080.55-425,887.71

Finding the Fourth Proportional to 788,463.85, 1,088,080.55 and 425,887.71

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Solution

The fourth proportional to 788,463.85, 1,088,080.55 and 425,887.71 is: 587,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,463.85 : 1,088,080.55 = 425,887.71 : x
  2. Step 2: Convert to fraction form
    788,463.85/1,088,080.55 = 425,887.71/x
  3. Step 3: Cross multiply
    788,463.85x = 1,088,080.55 × 425,887.71
  4. Step 4: Simplify right side
    788,463.85x = 463,400,133,735.04
  5. Step 5: Solve for x
    x = 463,400,133,735.04/788,463.85
  6. Step 6: Final answer
    x = 587,725.28

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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.