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Finding the Fourth Proportional to 630,851.04, 870,541.18 and 344,315.52

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Solution

The fourth proportional to 630,851.04, 870,541.18 and 344,315.52 is: 475,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,851.04 : 870,541.18 = 344,315.52 : x
  2. Step 2: Convert to fraction form
    630,851.04/870,541.18 = 344,315.52/x
  3. Step 3: Cross multiply
    630,851.04x = 870,541.18 × 344,315.52
  4. Step 4: Simplify right side
    630,851.04x = 299,740,839,073.11
  5. Step 5: Solve for x
    x = 299,740,839,073.11/630,851.04
  6. Step 6: Final answer
    x = 475,137.27

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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.