Home / 767,499.91-1,059,141.42-423,350.35

Finding the Fourth Proportional to 767,499.91, 1,059,141.42 and 423,350.35

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Solution

The fourth proportional to 767,499.91, 1,059,141.42 and 423,350.35 is: 584,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,499.91 : 1,059,141.42 = 423,350.35 : x
  2. Step 2: Convert to fraction form
    767,499.91/1,059,141.42 = 423,350.35/x
  3. Step 3: Cross multiply
    767,499.91x = 1,059,141.42 × 423,350.35
  4. Step 4: Simplify right side
    767,499.91x = 448,387,888,208.64
  5. Step 5: Solve for x
    x = 448,387,888,208.64/767,499.91
  6. Step 6: Final answer
    x = 584,218.82

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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.