Home / 879,597.18-1,213,835.91-497,623.98

Finding the Fourth Proportional to 879,597.18, 1,213,835.91 and 497,623.98

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Solution

The fourth proportional to 879,597.18, 1,213,835.91 and 497,623.98 is: 686,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,597.18 : 1,213,835.91 = 497,623.98 : x
  2. Step 2: Convert to fraction form
    879,597.18/1,213,835.91 = 497,623.98/x
  3. Step 3: Cross multiply
    879,597.18x = 1,213,835.91 × 497,623.98
  4. Step 4: Simplify right side
    879,597.18x = 604,033,856,601.12
  5. Step 5: Solve for x
    x = 604,033,856,601.12/879,597.18
  6. Step 6: Final answer
    x = 686,716.45

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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.