Home / 926,979.47-1,279,361.25-669,688.83

Finding the Fourth Proportional to 926,979.47, 1,279,361.25 and 669,688.83

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Solution

The fourth proportional to 926,979.47, 1,279,361.25 and 669,688.83 is: 924,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,979.47 : 1,279,361.25 = 669,688.83 : x
  2. Step 2: Convert to fraction form
    926,979.47/1,279,361.25 = 669,688.83/x
  3. Step 3: Cross multiply
    926,979.47x = 1,279,361.25 × 669,688.83
  4. Step 4: Simplify right side
    926,979.47x = 856,773,938,659.84
  5. Step 5: Solve for x
    x = 856,773,938,659.84/926,979.47
  6. Step 6: Final answer
    x = 924,264.21

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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.