Home / 773,478.19-1,067,464.20-429,346.45

Finding the Fourth Proportional to 773,478.19, 1,067,464.20 and 429,346.45

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Solution

The fourth proportional to 773,478.19, 1,067,464.20 and 429,346.45 is: 592,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,478.19 : 1,067,464.20 = 429,346.45 : x
  2. Step 2: Convert to fraction form
    773,478.19/1,067,464.20 = 429,346.45/x
  3. Step 3: Cross multiply
    773,478.19x = 1,067,464.20 × 429,346.45
  4. Step 4: Simplify right side
    773,478.19x = 458,311,964,772.09
  5. Step 5: Solve for x
    x = 458,311,964,772.09/773,478.19
  6. Step 6: Final answer
    x = 592,533.79

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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.