Home / 665,824.50-918,841.05-364,018.50

Finding the Fourth Proportional to 665,824.50, 918,841.05 and 364,018.50

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Solution

The fourth proportional to 665,824.50, 918,841.05 and 364,018.50 is: 502,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,824.50 : 918,841.05 = 364,018.50 : x
  2. Step 2: Convert to fraction form
    665,824.50/918,841.05 = 364,018.50/x
  3. Step 3: Cross multiply
    665,824.50x = 918,841.05 × 364,018.50
  4. Step 4: Simplify right side
    665,824.50x = 334,475,140,759.43
  5. Step 5: Solve for x
    x = 334,475,140,759.43/665,824.50
  6. Step 6: Final answer
    x = 502,347.30

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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.