Home / 779,673.47-1,167,407.48-509,131.43

Finding the Fourth Proportional to 779,673.47, 1,167,407.48 and 509,131.43

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Solution

The fourth proportional to 779,673.47, 1,167,407.48 and 509,131.43 is: 762,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,673.47 : 1,167,407.48 = 509,131.43 : x
  2. Step 2: Convert to fraction form
    779,673.47/1,167,407.48 = 509,131.43/x
  3. Step 3: Cross multiply
    779,673.47x = 1,167,407.48 × 509,131.43
  4. Step 4: Simplify right side
    779,673.47x = 594,363,837,139.44
  5. Step 5: Solve for x
    x = 594,363,837,139.44/779,673.47
  6. Step 6: Final answer
    x = 762,324.05

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Double scale
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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.