Home / 784,832.06-1,083,275.34-462,756.72

Finding the Fourth Proportional to 784,832.06, 1,083,275.34 and 462,756.72

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Solution

The fourth proportional to 784,832.06, 1,083,275.34 and 462,756.72 is: 638,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,832.06 : 1,083,275.34 = 462,756.72 : x
  2. Step 2: Convert to fraction form
    784,832.06/1,083,275.34 = 462,756.72/x
  3. Step 3: Cross multiply
    784,832.06x = 1,083,275.34 × 462,756.72
  4. Step 4: Simplify right side
    784,832.06x = 501,292,943,195.29
  5. Step 5: Solve for x
    x = 501,292,943,195.29/784,832.06
  6. Step 6: Final answer
    x = 638,726.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.