Home / 718,417.76-1,077,556.67-291,979.15

Finding the Fourth Proportional to 718,417.76, 1,077,556.67 and 291,979.15

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Solution

The fourth proportional to 718,417.76, 1,077,556.67 and 291,979.15 is: 437,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,417.76 : 1,077,556.67 = 291,979.15 : x
  2. Step 2: Convert to fraction form
    718,417.76/1,077,556.67 = 291,979.15/x
  3. Step 3: Cross multiply
    718,417.76x = 1,077,556.67 × 291,979.15
  4. Step 4: Simplify right side
    718,417.76x = 314,624,080,583.43
  5. Step 5: Solve for x
    x = 314,624,080,583.43/718,417.76
  6. Step 6: Final answer
    x = 437,940.29

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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.