Home / 798,567.31-1,102,048.96-436,018.75

Finding the Fourth Proportional to 798,567.31, 1,102,048.96 and 436,018.75

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Solution

The fourth proportional to 798,567.31, 1,102,048.96 and 436,018.75 is: 601,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,567.31 : 1,102,048.96 = 436,018.75 : x
  2. Step 2: Convert to fraction form
    798,567.31/1,102,048.96 = 436,018.75/x
  3. Step 3: Cross multiply
    798,567.31x = 1,102,048.96 × 436,018.75
  4. Step 4: Simplify right side
    798,567.31x = 480,514,009,978
  5. Step 5: Solve for x
    x = 480,514,009,978/798,567.31
  6. Step 6: Final answer
    x = 601,720.11

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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.