Home / 630,068.40-944,497.80-209,127.60

Finding the Fourth Proportional to 630,068.40, 944,497.80 and 209,127.60

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Solution

The fourth proportional to 630,068.40, 944,497.80 and 209,127.60 is: 313,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,068.40 : 944,497.80 = 209,127.60 : x
  2. Step 2: Convert to fraction form
    630,068.40/944,497.80 = 209,127.60/x
  3. Step 3: Cross multiply
    630,068.40x = 944,497.80 × 209,127.60
  4. Step 4: Simplify right side
    630,068.40x = 197,520,558,119.28
  5. Step 5: Solve for x
    x = 197,520,558,119.28/630,068.40
  6. Step 6: Final answer
    x = 313,490.66

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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.