Home / 774,174.72-1,068,345.36-434,642.88

Finding the Fourth Proportional to 774,174.72, 1,068,345.36 and 434,642.88

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Solution

The fourth proportional to 774,174.72, 1,068,345.36 and 434,642.88 is: 599,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,174.72 : 1,068,345.36 = 434,642.88 : x
  2. Step 2: Convert to fraction form
    774,174.72/1,068,345.36 = 434,642.88/x
  3. Step 3: Cross multiply
    774,174.72x = 1,068,345.36 × 434,642.88
  4. Step 4: Simplify right side
    774,174.72x = 464,348,704,105.04
  5. Step 5: Solve for x
    x = 464,348,704,105.04/774,174.72
  6. Step 6: Final answer
    x = 599,798.33

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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.