Home / 630,846.04-870,534.28-344,310.52

Finding the Fourth Proportional to 630,846.04, 870,534.28 and 344,310.52

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Solution

The fourth proportional to 630,846.04, 870,534.28 and 344,310.52 is: 475,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,846.04 : 870,534.28 = 344,310.52 : x
  2. Step 2: Convert to fraction form
    630,846.04/870,534.28 = 344,310.52/x
  3. Step 3: Cross multiply
    630,846.04x = 870,534.28 × 344,310.52
  4. Step 4: Simplify right side
    630,846.04x = 299,734,110,624.63
  5. Step 5: Solve for x
    x = 299,734,110,624.63/630,846.04
  6. Step 6: Final answer
    x = 475,130.37

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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.