Home / 877,510.13-1,316,265.19-212,662.13

Finding the Fourth Proportional to 877,510.13, 1,316,265.19 and 212,662.13

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Solution

The fourth proportional to 877,510.13, 1,316,265.19 and 212,662.13 is: 318,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,510.13 : 1,316,265.19 = 212,662.13 : x
  2. Step 2: Convert to fraction form
    877,510.13/1,316,265.19 = 212,662.13/x
  3. Step 3: Cross multiply
    877,510.13x = 1,316,265.19 × 212,662.13
  4. Step 4: Simplify right side
    877,510.13x = 279,919,751,837.27
  5. Step 5: Solve for x
    x = 279,919,751,837.27/877,510.13
  6. Step 6: Final answer
    x = 318,993.19

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.