Home / 957,210.23-1,320,933.13-521,631.46

Finding the Fourth Proportional to 957,210.23, 1,320,933.13 and 521,631.46

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Solution

The fourth proportional to 957,210.23, 1,320,933.13 and 521,631.46 is: 719,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,210.23 : 1,320,933.13 = 521,631.46 : x
  2. Step 2: Convert to fraction form
    957,210.23/1,320,933.13 = 521,631.46/x
  3. Step 3: Cross multiply
    957,210.23x = 1,320,933.13 × 521,631.46
  4. Step 4: Simplify right side
    957,210.23x = 689,040,280,445.54
  5. Step 5: Solve for x
    x = 689,040,280,445.54/957,210.23
  6. Step 6: Final answer
    x = 719,842.16

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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.