Home / 893,012.40-1,339,666.20-413,719.20

Finding the Fourth Proportional to 893,012.40, 1,339,666.20 and 413,719.20

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Solution

The fourth proportional to 893,012.40, 1,339,666.20 and 413,719.20 is: 620,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,012.40 : 1,339,666.20 = 413,719.20 : x
  2. Step 2: Convert to fraction form
    893,012.40/1,339,666.20 = 413,719.20/x
  3. Step 3: Cross multiply
    893,012.40x = 1,339,666.20 × 413,719.20
  4. Step 4: Simplify right side
    893,012.40x = 554,245,628,531.04
  5. Step 5: Solve for x
    x = 554,245,628,531.04/893,012.40
  6. Step 6: Final answer
    x = 620,647.18

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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.