Home / 718,525.76-1,077,788.56-403,007.28

Finding the Fourth Proportional to 718,525.76, 1,077,788.56 and 403,007.28

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Solution

The fourth proportional to 718,525.76, 1,077,788.56 and 403,007.28 is: 604,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,525.76 : 1,077,788.56 = 403,007.28 : x
  2. Step 2: Convert to fraction form
    718,525.76/1,077,788.56 = 403,007.28/x
  3. Step 3: Cross multiply
    718,525.76x = 1,077,788.56 × 403,007.28
  4. Step 4: Simplify right side
    718,525.76x = 434,356,635,980.72
  5. Step 5: Solve for x
    x = 434,356,635,980.72/718,525.76
  6. Step 6: Final answer
    x = 604,510.88

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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.