Home / 772,747.36-1,066,390.64-433,215.68

Finding the Fourth Proportional to 772,747.36, 1,066,390.64 and 433,215.68

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Solution

The fourth proportional to 772,747.36, 1,066,390.64 and 433,215.68 is: 597,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,747.36 : 1,066,390.64 = 433,215.68 : x
  2. Step 2: Convert to fraction form
    772,747.36/1,066,390.64 = 433,215.68/x
  3. Step 3: Cross multiply
    772,747.36x = 1,066,390.64 × 433,215.68
  4. Step 4: Simplify right side
    772,747.36x = 461,977,146,253.24
  5. Step 5: Solve for x
    x = 461,977,146,253.24/772,747.36
  6. Step 6: Final answer
    x = 597,837.24

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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.