Home / 535,623.12-737,740.98-399,219.93

Finding the Fourth Proportional to 535,623.12, 737,740.98 and 399,219.93

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Solution

The fourth proportional to 535,623.12, 737,740.98 and 399,219.93 is: 549,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,623.12 : 737,740.98 = 399,219.93 : x
  2. Step 2: Convert to fraction form
    535,623.12/737,740.98 = 399,219.93/x
  3. Step 3: Cross multiply
    535,623.12x = 737,740.98 × 399,219.93
  4. Step 4: Simplify right side
    535,623.12x = 294,520,902,393.73
  5. Step 5: Solve for x
    x = 294,520,902,393.73/535,623.12
  6. Step 6: Final answer
    x = 549,865.93

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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.