Home / 630,721.66-946,207.10-231,365.89

Finding the Fourth Proportional to 630,721.66, 946,207.10 and 231,365.89

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Solution

The fourth proportional to 630,721.66, 946,207.10 and 231,365.89 is: 347,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,721.66 : 946,207.10 = 231,365.89 : x
  2. Step 2: Convert to fraction form
    630,721.66/946,207.10 = 231,365.89/x
  3. Step 3: Cross multiply
    630,721.66x = 946,207.10 × 231,365.89
  4. Step 4: Simplify right side
    630,721.66x = 218,920,047,815.82
  5. Step 5: Solve for x
    x = 218,920,047,815.82/630,721.66
  6. Step 6: Final answer
    x = 347,094.55

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1.5x scale

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.