Home / 691,319.04-1,037,160-218,019.84

Finding the Fourth Proportional to 691,319.04, 1,037,160 and 218,019.84

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Solution

The fourth proportional to 691,319.04, 1,037,160 and 218,019.84 is: 327,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,319.04 : 1,037,160 = 218,019.84 : x
  2. Step 2: Convert to fraction form
    691,319.04/1,037,160 = 218,019.84/x
  3. Step 3: Cross multiply
    691,319.04x = 1,037,160 × 218,019.84
  4. Step 4: Simplify right side
    691,319.04x = 226,121,457,254.40
  5. Step 5: Solve for x
    x = 226,121,457,254.40/691,319.04
  6. Step 6: Final answer
    x = 327,086.98

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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.