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Finding the Fourth Proportional to 630,537.45, 870,162.68 and 344,073.26

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Solution

The fourth proportional to 630,537.45, 870,162.68 and 344,073.26 is: 474,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,537.45 : 870,162.68 = 344,073.26 : x
  2. Step 2: Convert to fraction form
    630,537.45/870,162.68 = 344,073.26/x
  3. Step 3: Cross multiply
    630,537.45x = 870,162.68 × 344,073.26
  4. Step 4: Simplify right side
    630,537.45x = 299,399,703,966.76
  5. Step 5: Solve for x
    x = 299,399,703,966.76/630,537.45
  6. Step 6: Final answer
    x = 474,832.55

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1.5x scale

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.