Home / 936,427.80-1,404,836.10-305,389.20

Finding the Fourth Proportional to 936,427.80, 1,404,836.10 and 305,389.20

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Solution

The fourth proportional to 936,427.80, 1,404,836.10 and 305,389.20 is: 458,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,427.80 : 1,404,836.10 = 305,389.20 : x
  2. Step 2: Convert to fraction form
    936,427.80/1,404,836.10 = 305,389.20/x
  3. Step 3: Cross multiply
    936,427.80x = 1,404,836.10 × 305,389.20
  4. Step 4: Simplify right side
    936,427.80x = 429,021,772,710.12
  5. Step 5: Solve for x
    x = 429,021,772,710.12/936,427.80
  6. Step 6: Final answer
    x = 458,147.20

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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.