Home / 775,386.36-1,069,876.05-453,034.17

Finding the Fourth Proportional to 775,386.36, 1,069,876.05 and 453,034.17

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Solution

The fourth proportional to 775,386.36, 1,069,876.05 and 453,034.17 is: 625,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,386.36 : 1,069,876.05 = 453,034.17 : x
  2. Step 2: Convert to fraction form
    775,386.36/1,069,876.05 = 453,034.17/x
  3. Step 3: Cross multiply
    775,386.36x = 1,069,876.05 × 453,034.17
  4. Step 4: Simplify right side
    775,386.36x = 484,690,408,314.63
  5. Step 5: Solve for x
    x = 484,690,408,314.63/775,386.36
  6. Step 6: Final answer
    x = 625,095.35

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Double scale
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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.