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Finding the Fourth Proportional to 657,045.54, 987,229.08 and 630,473.58

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Solution

The fourth proportional to 657,045.54, 987,229.08 and 630,473.58 is: 947,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,045.54 : 987,229.08 = 630,473.58 : x
  2. Step 2: Convert to fraction form
    657,045.54/987,229.08 = 630,473.58/x
  3. Step 3: Cross multiply
    657,045.54x = 987,229.08 × 630,473.58
  4. Step 4: Simplify right side
    657,045.54x = 622,421,852,347.71
  5. Step 5: Solve for x
    x = 622,421,852,347.71/657,045.54
  6. Step 6: Final answer
    x = 947,303.98

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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.