Home / 630,815.76-870,523.23-344,336.07

Finding the Fourth Proportional to 630,815.76, 870,523.23 and 344,336.07

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Solution

The fourth proportional to 630,815.76, 870,523.23 and 344,336.07 is: 475,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,815.76 : 870,523.23 = 344,336.07 : x
  2. Step 2: Convert to fraction form
    630,815.76/870,523.23 = 344,336.07/x
  3. Step 3: Cross multiply
    630,815.76x = 870,523.23 × 344,336.07
  4. Step 4: Simplify right side
    630,815.76x = 299,752,552,417.63
  5. Step 5: Solve for x
    x = 299,752,552,417.63/630,815.76
  6. Step 6: Final answer
    x = 475,182.41

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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.