Home / 1,676,425.08-2,514,730.56-478,255.28

Finding the Fourth Proportional to 1,676,425.08, 2,514,730.56 and 478,255.28

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Solution

The fourth proportional to 1,676,425.08, 2,514,730.56 and 478,255.28 is: 717,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,425.08 : 2,514,730.56 = 478,255.28 : x
  2. Step 2: Convert to fraction form
    1,676,425.08/2,514,730.56 = 478,255.28/x
  3. Step 3: Cross multiply
    1,676,425.08x = 2,514,730.56 × 478,255.28
  4. Step 4: Simplify right side
    1,676,425.08x = 1,202,683,168,097.36
  5. Step 5: Solve for x
    x = 1,202,683,168,097.36/1,676,425.08
  6. Step 6: Final answer
    x = 717,409.43

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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.